| 000 - Greenwich |
| 001 - Crowborough |
| 002 - Rayleigh |
| 003 - Montpellier |
| 004 - Toulouse |
| 005 - Meudon |
| 006 - Fabra Observatory, Barcelona |
| 007 - Paris |
| 008 - Algiers-Bouzareah |
| 009 - Berne-Uecht |
| 010 - Caussols |
| 011 - Wetzikon |
| 012 - Uccle |
| 013 - Leiden |
| 014 - Marseilles |
| 015 - Utrecht |
| 016 - Besancon |
| 017 - Hoher List |
| 018 - Dusseldorf-Bilk |
| 019 - Neuchatel |
| 020 - Nice |
| 021 - Karlsruhe |
| 022 - Pino Torinese |
| 023 - Wiesbaden |
| 024 - Heidelberg-Konigstuhl |
| 025 - Stuttgart |
| 026 - Berne-Zimmerwald |
| 027 - Milan |
| 028 - Wurzburg |
| 029 - Hamburg-Bergedorf |
| 030 - Arcetri Observatory, Florence |
| 031 - Sonneberg |
| 032 - Jena |
| 033 - Karl Schwarzschild Observatory, Tautenburg |
| 034 - Monte Mario Observatory, Rome |
| 035 - Copenhagen |
| 036 - Castel Gandolfo |
| 037 - Collurania Observatory, Teramo |
| 038 - Trieste |
| 039 - Lund |
| 040 - Lohrmann Institute, Dresden |
| 041 - Innsbruck |
| 042 - Potsdam |
| 043 - Asiago Astrophysical Observatory, Padua |
| 044 - Capodimonte Observatory, Naples |
| 045 - Vienna (since 1879) |
| 046 - Klet Observatory, Ceske Budejovice |
| 047 - Poznan |
| 048 - Hradec Kralove |
| 049 - Uppsala-Kvistaberg |
| 050 - Stockholm (before 1931) |
| 051 - Royal Observatory, Cape of Good Hope |
| 052 - Stockholm-Saltsjobaden |
| 053 - Konkoly Observatory, Budapest (since 1933) |
| 054 - Brorfelde |
| 055 - Cracow |
| 056 - Skalnate Pleso |
| 057 - Belgrade |
| 058 - Kaliningrad |
| 059 - Lomnicky Stit |
| 060 - Warsaw-Ostrowik |
| 061 - Uzhhorod |
| 062 - Turku |
| 063 - Turku-Tuorla |
| 064 - Turku-Kevola |
| 065 - Traunstein |
| 066 - Athens |
| 067 - Lviv University Observatory |
| 068 - Lviv Polytechnic Institute |
| 069 - Baldone |
| 070 - Vilnius (before 1939) |
| 071 - NAO Rozhen, Smolyan |
| 072 - Scheuren Observatory |
| 073 - Bucharest |
| 074 - Boyden Observatory, Bloemfontein |
| 075 - Tartu |
| 076 - Johannesburg-Hartbeespoort |
| 077 - Yale-Columbia Station, Johannesburg |
| 078 - Johannesburg |
| 079 - Radcliffe Observatory, Pretoria |
| 080 - Istanbul |
| 081 - Leiden Station, Johannesburg |
| 082 - St. Polten |
| 083 - Holosiivskyi district-Kyiv |
| 084 - Pulkovo |
| 085 - Kyiv |
| 086 - Odesa |
| 087 - Helwan |
| 088 - Kottomia |
| 089 - Mykolaiv |
| 090 - Mainz |
| 091 - Observatoire de Nurol, Aurec sur Loire |
| 092 - Torun-Piwnice |
| 093 - Skibotn |
| 094 - Crimea-Simeiz |
| 095 - Crimea-Nauchnyi |
| 096 - Merate |
| 097 - Wise Observatory, Mitzpeh Ramon |
| 098 - Asiago Observatory, Cima Ekar |
| 099 - Lahti |
| 100 - Ahtari |
| 101 - Kharkiv |
| 102 - Zvenigorod |
| 103 - Ljubljana |
| 104 - San Marcello Pistoiese |
| 105 - Moscow |
| 106 - Crni Vrh |
| 107 - Cavezzo |
| 108 - Montelupo |
| 109 - Algiers-Kouba |
| 110 - Rostov |
| 111 - Piazzano Observatory, Florence |
| 112 - Pleiade Observatory, Verona |
| 113 - Volkssternwarte Drebach, Schoenbrunn |
| 114 - Engelhardt Observatory, Zelenchukskaya Station |
| 115 - Zelenchukskaya |
| 116 - Giesing |
| 117 - Sendling |
| 118 - Astronomical and Geophysical Observatory, Modra |
| 119 - Abastuman |
| 120 - Visnjan |
| 121 - Kharkiv University, Chuguevskaya Station |
| 122 - Pises Observatory |
| 123 - Byurakan |
| 124 - Castres |
| 125 - Tbilisi |
| 126 - Monte Viseggi L. Zannoni Observatory |
| 127 - Bornheim |
| 128 - Saratov |
| 129 - Ordubad |
| 130 - Lumezzane |
| 131 - Observatoire de l'Ardeche |
| 132 - Bedoin |
| 133 - Les Tardieux |
| 134 - Groszschwabhausen |
| 135 - Kasan |
| 136 - Engelhardt Observatory, Kasan |
| 137 - Givatayim Observatory |
| 138 - Village-Neuf |
| 139 - Antibes |
| 140 - Augerolles |
| 141 - Hottviller |
| 142 - Sinsen |
| 143 - Gnosca |
| 144 - Bray et Lu |
| 145 - 's-Gravenwezel |
| 146 - Frignano |
| 147 - Osservatorio Astronomico di Suno |
| 148 - Guitalens |
| 149 - Beine-Nauroy |
| 150 - Maisons Laffitte |
| 151 - Eschenberg Observatory, Winterthur |
| 152 - Moletai Astronomical Observatory |
| 153 - Stuttgart-Hoffeld |
| 154 - Cortina |
| 155 - Ole Romer Observatory, Aarhus |
| 156 - Catania Astrophysical Observatory |
| 157 - Frasso Sabino |
| 158 - Promiod |
| 159 - Monte Agliale |
| 160 - Castelmartini |
| 161 - Cerrina Tololo Observatory |
| 162 - Potenza |
| 163 - Roeser Observatory, Luxembourg |
| 164 - St. Michel sur Meurthe |
| 165 - Piera Observatory, Barcelona |
| 166 - Upice |
| 167 - Bulach Observatory |
| 168 - Kourovskaya |
| 169 - Airali Observatory |
| 170 - Observatorio de Begues |
| 171 - Flarestar Observatory, San Gwann |
| 172 - Onnens |
| 173 - St. Clotilde, Reunion |
| 174 - Nyrola Observatory, Jyvaskyla |
| 175 - F.-X. Bagnoud Observatory, St-Luc |
| 176 - Observatorio Astronomico de Consell |
| 177 - Le Cres |
| 178 - Collonges |
| 179 - Monte Generoso |
| 180 - Mauguio |
| 181 - Observatoire des Makes, Saint-Louis |
| 182 - St. Paul, Reunion |
| 183 - Starlab Observatory, Karachay-Cherkessia |
| 184 - Valmeca Observatory, Puimichel |
| 185 - Observatoire Astronomique Jurassien-Vicques |
| 186 - Kitab |
| 187 - Astronomical Observatory, Borowiec |
| 188 - Majdanak |
| 189 - Geneva (before 1967) |
| 190 - Gissar |
| 191 - Dushanbe |
| 192 - Tashkent |
| 193 - Sanglok |
| 194 - Tivoli |
| 195 - Untermenzing Observatory, Munich |
| 196 - Homburg-Erbach |
| 197 - Bastia |
| 198 - Wildberg |
| 199 - Telescope Jean-Marc Salomon, Buthiers |
| 200 - Beersel Hills Observatory |
| 201 - Jonathan B. Postel Observatory |
| 202 - Tamaris Observatoire, La Seyne sur Mer |
| 203 - GiaGa Observatory |
| 204 - Schiaparelli Observatory |
| 205 - Obs. Casalecchio di Reno, Bologna |
| 206 - Haagaar Observatory, Eina |
| 207 - Osservatorio Antonio Grosso |
| 208 - Rivalta |
| 209 - Asiago Observatory, Cima Ekar-ADAS |
| 210 - Alma-Ata |
| 211 - Scandicci |
| 212 - Observatorio La Dehesilla |
| 213 - Observatorio Montcabre |
| 214 - Garching Observatory |
| 215 - Buchloe |
| 216 - Observatoire des Cote de Meuse |
| 217 - Assah |
| 218 - Hyderabad |
| 219 - Japal-Rangapur |
| 220 - Vainu Bappu Observatory, Kavalur |
| 221 - IAS Observatory, Hakos |
| 222 - Yerres-Canotiers |
| 223 - Madras |
| 224 - Ottmarsheim |
| 225 - Northwood Ridge Observatory |
| 226 - Guido Ruggieri Observatory, Padua |
| 227 - OrbitJet Observatory, Colden |
| 228 - Bruno Zugna Observatory, Trieste |
| 229 - G. C. Gloriosi Astronomical Observatory, Salerno |
| 230 - Mt. Wendelstein Observatory |
| 231 - Vesqueville |
| 232 - Masquefa Observatory |
| 233 - Sauro Donati Astronomical Observatory, San Vito |
| 234 - Coddenham Observatory |
| 235 - CAST Observatory, Talmassons |
| 236 - Tomsk |
| 237 - Baugy |
| 238 - Grorudalen Optical Observatory |
| 239 - Trebur |
| 240 - Herrenberg Sternwarte |
| 241 - Schaerding |
| 242 - Varennes |
| 243 - Umbrella Observatory, Fredenbeck |
| 244 - Geocentric Occultation Observation |
| 245 - Spitzer Space Telescope |
| 246 - Klet Observatory-KLENOT |
| 247 - Roving Observer |
| 248 - Hipparcos |
| 249 - SOHO |
| 250 - Hubble Space Telescope |
| 251 - Arecibo |
| 252 - Goldstone DSS 13, Fort Irwin |
| 253 - Goldstone DSS 14, Fort Irwin |
| 254 - Haystack, Westford |
| 255 - Yevpatoriya |
| 256 - Green Bank |
| 257 - Goldstone DSS 25, Fort Irwin |
| 258 - Gaia |
| 259 - EISCAT Tromso UHF |
| 260 - Siding Spring Observatory-DSS |
| 261 - Palomar Mountain-DSS |
| 262 - European Southern Observatory, La Silla-DSS |
| 266 - New Horizons KBO Search-Subaru |
| 267 - New Horizons KBO Search-CFHT |
| 268 - New Horizons KBO Search-Magellan/Clay |
| 269 - New Horizons KBO Search-Magellan/Baade |
| 270 - Unistellar Network, Roving Observer |
| 273 - Euclid |
| 274 - James Webb Space Telescope |
| 275 - Non-geocentric Occultation Observation |
| 276 - Plonsk |
| 277 - Royal Observatory, Blackford Hill, Edinburgh |
| 278 - Peking, Transit of Venus site |
| 279 - Seeberg Observatory, Gotha (1787-1857) |
| 280 - Lilienthal |
| 281 - Bologna |
| 282 - Nimes |
| 283 - Bremen |
| 284 - Driesen |
| 285 - Flammarion Observatory, Juvisy |
| 286 - Yunnan Observatory |
| 290 - Mt. Graham-VATT |
| 291 - LPL/Spacewatch II |
| 292 - Burlington, New Jersey |
| 293 - Burlington remote site |
| 294 - Astrophysical Obs., College of Staten Island |
| 295 - Catholic University Observatory, Washington |
| 296 - Dudley Observatory, Albany (after 1893) |
| 297 - Middlebury |
| 298 - Van Vleck Observatory |
| 299 - Bosscha Observatory, Lembang |
| 300 - Bisei Spaceguard Center-BATTeRS |
| 301 - Mont Megantic |
| 302 - University of the Andes station |
| 303 - OAN de Llano del Hato, Merida |
| 304 - Las Campanas Observatory |
| 305 - Purple Mountain, Hainan Island station |
| 306 - Observatorio Taya Beixo, Barquisimeto |
| 307 - Shattuck Observatory, Hanover |
| 309 - Cerro Paranal |
| 310 - Minor Planet Center Test Code |
| 312 - Tsingtao field station, Xisha Islands |
| 318 - Quinns Rock |
| 319 - Perth Observatory, Perth-Lowell Telescope |
| 320 - Chiro Observatory |
| 321 - Craigie |
| 322 - Perth Observatory, Bickley-MCT |
| 323 - Perth Observatory, Bickley |
| 324 - Peking Observatory, Shaho Station |
| 327 - Peking Observatory, Xinglong Station |
| 330 - Purple Mountain Observatory, Nanking |
| 333 - Desert Eagle Observatory |
| 334 - Tsingtao |
| 337 - Sheshan, formerly Zo-Se |
| 340 - Toyonaka |
| 341 - Akashina |
| 342 - Shishikui |
| 343 - Younchun |
| 344 - Bohyunsan Optical Astronomy Observatory |
| 345 - Sobaeksan Optical Astronomy Observatory |
| 346 - KNUE Astronomical Observatory |
| 347 - Utsunomiya-Imaizumi |
| 348 - Ayabe |
| 349 - Ageo |
| 350 - Kurohone |
| 351 - Sakamoto |
| 352 - Konan |
| 353 - Nishi Kobe |
| 354 - Kawachi |
| 355 - Hadano |
| 356 - Kogota |
| 357 - Shimotsuma |
| 358 - Nanyo |
| 359 - Wakayama |
| 360 - Kuma Kogen |
| 361 - Sumoto |
| 362 - Ray Observatory |
| 363 - Yamada |
| 364 - YCPM Kagoshima Station |
| 365 - Uto Observatory |
| 366 - Miyasaka Observatory |
| 367 - Yatsuka |
| 368 - Ochiai |
| 369 - Chichibu |
| 370 - Kochi |
| 371 - Tokyo-Okayama |
| 372 - Geisei |
| 373 - Oishi |
| 374 - Minami-Oda Observatory |
| 375 - Uzurano |
| 376 - Uenohara |
| 377 - Kwasan Observatory, Kyoto |
| 378 - Murou |
| 379 - Hamamatsu-Yuto |
| 380 - Ishiki |
| 381 - Tokyo-Kiso |
| 382 - Tokyo-Norikura |
| 383 - Chirorin |
| 384 - Shimada |
| 385 - Nihondaira Observatory |
| 386 - Yatsugatake-Kobuchizawa |
| 387 - Tokyo-Dodaira |
| 388 - Tokyo-Mitaka |
| 389 - Tokyo (before 1938) |
| 390 - Utsunomiya |
| 391 - Sendai Observatory, Ayashi Station |
| 392 - JCPM Sapporo Station |
| 393 - JCPM Sakura Station |
| 394 - JCPM Hamatonbetsu Station |
| 395 - Tokyo-Asahikawa |
| 396 - Asahikawa |
| 397 - Sapporo Science Center |
| 398 - Nagatoro |
| 399 - Kushiro |
| 400 - Kitami |
| 401 - Oosato |
| 402 - Dynic Astronomical Observatory |
| 403 - Kani |
| 404 - Yamamoto |
| 405 - Kamihoriguchi |
| 406 - Bibai |
| 407 - Kahoku |
| 408 - Nyukasa |
| 409 - Kiyose and Mizuho |
| 410 - Sengamine |
| 411 - Oizumi |
| 412 - Iwaki |
| 413 - Siding Spring Observatory |
| 414 - Mount Stromlo |
| 415 - Kambah |
| 416 - Barton |
| 417 - Yanagida Astronomical Observatory |
| 418 - Tamworth |
| 419 - Windsor |
| 420 - Sydney |
| 421 - Mt. Kajigamori, Otoyo |
| 422 - Loomberah |
| 423 - North Ryde |
| 424 - Macquarie |
| 425 - Taylor Range Observatory, Brisbane |
| 426 - Woomera |
| 427 - Stockport |
| 428 - Reedy Creek |
| 429 - Hawker |
| 430 - Rainbow Observatory, near Coonabarabran |
| 431 - Mt. Tarana Observatory, Bathurst |
| 432 - Boambee |
| 433 - Bagnall Beach Observatory |
| 434 - S. Benedetto Po |
| 435 - G. Colombo Astronomical Observatory, Padua |
| 436 - Osservatorio di Livergnano |
| 437 - Haverford |
| 438 - Smith College Observatory, Northampton |
| 439 - ROTSE-III, Los Alamos |
| 440 - Elginfield Observatory |
| 441 - Swilken Brae, St. Andrews |
| 442 - Gualba Observatory |
| 443 - Obs. Astronomico Plomer, Buenos Aires |
| 444 - Star Cruiser Observatory |
| 445 - Observatorio d'Ontinyent |
| 446 - Kingsnake Observatory, Seguin |
| 447 - Centennial Observatory |
| 448 - Desert Moon Observatory, Las Cruces |
| 449 - Griffin Hunter Observatory, Bethune |
| 450 - Carla Jane Observatory, Charlotte |
| 451 - West Skies Observatory, Mulvane |
| 452 - Big Cypress Observatory, Fort Lauderdale |
| 453 - Edwards Raven Observatory |
| 454 - Maryland Space Grant Consortium Observatory |
| 455 - CBA Concord |
| 456 - Daventry Observatory |
| 457 - Partizanske |
| 458 - Guadarrama Observatory |
| 459 - Smith River Observatory, Danbury |
| 460 - Area 52 Observatory, Nashville |
| 461 - University of Szeged, Piszkesteto Stn. (Konkoly) |
| 462 - Mount Belleview Observatory |
| 463 - Sommers-Bausch Observatory, Boulder |
| 464 - Toby Point Observatory, Narragansett |
| 465 - Takapuna |
| 466 - Mount Molehill Observatory, Auckland |
| 467 - Auckland Observatory |
| 468 - Astronomical Observatory, Campo Catino |
| 469 - Courroux |
| 470 - Ceccano |
| 471 - Houstrup |
| 472 - Merlette |
| 473 - Remanzacco |
| 474 - Mount John Observatory, Lake Tekapo |
| 475 - Turin (before 1913) |
| 476 - Grange Observatory, Bussoleno |
| 477 - Galleywood |
| 478 - Lamalou-les-Bains |
| 479 - Sollies-Pont |
| 480 - Cockfield |
| 481 - Moorwarfen |
| 482 - St. Andrews |
| 483 - Carter Observatory, Black Birch Station |
| 484 - Happy Valley, Wellington |
| 485 - Carter Observatory, Wellington |
| 486 - Palmerston North |
| 487 - Macnairston Observatory |
| 488 - Newcastle-upon-Tyne |
| 489 - Hemingford Abbots |
| 490 - Wimborne Minster |
| 491 - Centro Astronomico de Yebes |
| 492 - Mickleover |
| 493 - Calar Alto |
| 494 - Stakenbridge |
| 495 - Altrincham |
| 496 - Bishopstoke |
| 497 - Loudwater |
| 498 - Earls Barton |
| 499 - Cheam |
| 500 - Geocentric |
| 501 - Herstmonceux |
| 502 - Colchester |
| 503 - Cambridge |
| 504 - Le Creusot |
| 505 - Simon Stevin |
| 506 - Bendestorf |
| 507 - Nyenheim |
| 508 - Zeist |
| 509 - La Seyne sur Mer |
| 510 - Siegen |
| 511 - Haute Provence |
| 512 - Leiden (before 1860) |
| 513 - Lyons |
| 514 - Mundenheim (1907-1913) |
| 515 - Volkssternwarte Dhaun, near Kirn |
| 516 - Hamburg (before 1909) |
| 517 - Geneva (from 1967) |
| 518 - Marine Observatory, Hamburg |
| 519 - Meschede |
| 520 - Bonn |
| 521 - Remeis Observatory, Bamberg |
| 522 - Strasbourg |
| 523 - Frankfurt |
| 524 - Mannheim |
| 525 - Marburg |
| 526 - Kiel |
| 527 - Altona |
| 528 - Gottingen |
| 529 - Christiania |
| 530 - Lubeck |
| 531 - Collegio Romano, Rome |
| 532 - Munich |
| 533 - Padua |
| 534 - Leipzig (since 1861) |
| 535 - Palermo |
| 536 - Berlin-Babelsberg |
| 537 - Urania Observatory, Berlin |
| 538 - Pola |
| 539 - Kremsmunster |
| 540 - Linz |
| 541 - Prague |
| 542 - Falkensee |
| 543 - Leipzig (before 1861) |
| 544 - Wilhelm Foerster Observatory, Berlin |
| 545 - Vienna (before 1879) |
| 546 - Oppolzer Observatory, Vienna |
| 547 - Breslau |
| 548 - Berlin (1835-1913) |
| 549 - Uppsala |
| 550 - Schwerin |
| 551 - Hurbanovo, formerly O'Gyalla |
| 552 - Osservatorio S. Vittore, Bologna |
| 553 - Chorzow |
| 554 - Burgsolms Observatory, Wetzlar |
| 555 - Cracow-Fort Skala |
| 556 - Reintal, near Munich |
| 557 - Ondrejov |
| 558 - Warsaw |
| 559 - Serra La Nave |
| 560 - Madonna di Dossobuono |
| 561 - Piszkesteto Stn. (Konkoly) |
| 562 - Figl Observatory, Vienna |
| 563 - Seewalchen |
| 564 - Herrsching |
| 565 - Bassano Bresciano |
| 566 - Haleakala-NEAT/GEODSS |
| 567 - Chions |
| 568 - Maunakea |
| 569 - Helsinki |
| 570 - Vilnius (since 1939) |
| 571 - Cavriana |
| 572 - Cologne |
| 573 - Eldagsen |
| 574 - Gottolengo |
| 575 - La Chaux de Fonds |
| 576 - Burwash |
| 577 - Metzerlen Observatory |
| 578 - Linden Observatory |
| 579 - Novi Ligure |
| 580 - Graz |
| 581 - Sedgefield |
| 582 - Orwell Park |
| 583 - Odesa-Mayaky |
| 584 - Leningrad |
| 585 - Kyiv comet station |
| 586 - Pic du Midi |
| 587 - Sormano |
| 588 - Eremo di Tizzano |
| 589 - Santa Lucia Stroncone |
| 590 - Metzerlen |
| 591 - Resse Observatory |
| 592 - Solingen |
| 593 - Monte Argentario |
| 594 - Monte Autore |
| 595 - Farra d'Isonzo |
| 596 - Colleverde di Guidonia |
| 597 - Springe |
| 598 - Loiano |
| 599 - Campo Imperatore-CINEOS |
| 600 - TLC Observatory, Bologna |
| 601 - Engelhardt Observatory, Dresden |
| 602 - Urania Observatory, Vienna |
| 603 - Bothkamp |
| 604 - Archenhold Sternwarte, Berlin-Treptow |
| 605 - Marl |
| 606 - Norderstedt |
| 607 - Hagen Observatory, Ronkhausen |
| 608 - Haleakala-AMOS |
| 609 - Osservatorio Polino |
| 610 - Pianoro |
| 611 - Starkenburg Sternwarte, Heppenheim |
| 612 - Lenkerbeck |
| 613 - Heisingen |
| 614 - Soisy-sur-Seine |
| 615 - St. Veran |
| 616 - Brno |
| 617 - Arbonne la Foret |
| 618 - Martigues |
| 619 - Sabadell |
| 620 - Observatorio Astronomico de Mallorca |
| 621 - Bergisch Gladbach |
| 622 - Oberwichtrach |
| 623 - Liege |
| 624 - Dertingen |
| 625 - Kihei-AMOS Remote Maui Experimental Site |
| 626 - Geel |
| 627 - Blauvac |
| 628 - Mulheim-Ruhr |
| 629 - Szeged Observatory |
| 630 - Osenbach |
| 631 - Hamburg-Georgswerder |
| 632 - San Polo A Mosciano |
| 633 - Romito |
| 634 - Crolles |
| 635 - Pergignan |
| 636 - Essen |
| 637 - Hamburg-Himmelsmoor |
| 638 - Detmold |
| 639 - Dresden |
| 640 - Senftenberger Sternwarte |
| 641 - Overberg |
| 642 - Oak Bay, Victoria |
| 643 - OCA-Anza Observatory |
| 644 - Palomar Mountain/NEAT |
| 645 - Apache Point-Sloan Digital Sky Survey |
| 646 - Santana Observatory, Rancho Cucamonga |
| 647 - Stone Finder Observatory, Calgary |
| 648 - Winer Observatory, Sonoita |
| 649 - Powell Observatory, Louisburg |
| 650 - Temecula |
| 651 - Grasslands Observatory, Tucson |
| 652 - Rock Finder Observatory, Calgary |
| 653 - Torus Observatory, Buckley |
| 654 - Table Mountain Observatory, Wrightwood-PHMC |
| 655 - Sooke |
| 656 - Victoria |
| 657 - Climenhaga Observatory, Victoria |
| 658 - Dominion Astrophysical Observatory |
| 659 - Heron Cove Observatory, Orcas |
| 660 - Leuschner Observatory, Berkeley |
| 661 - Rothney Astrophysical Observatory, Priddis |
| 662 - Lick Observatory, Mount Hamilton |
| 663 - Red Mountain Observatory |
| 664 - Manastash Ridge Observatory |
| 665 - Wallis Observatory |
| 666 - Moorpark College Observatory |
| 667 - Wanapum Dam |
| 668 - San Emigdio Peak |
| 669 - Ojai |
| 670 - Camarillo |
| 671 - Stony Ridge |
| 672 - Mount Wilson |
| 673 - Table Mountain Observatory, Wrightwood |
| 674 - Ford Observatory, Wrightwood |
| 675 - Palomar Mountain |
| 676 - San Clemente |
| 677 - Lake Arrowhead |
| 678 - Fountain Hills |
| 679 - San Pedro Martir |
| 680 - Los Angeles |
| 681 - Calgary |
| 682 - Kanab |
| 683 - Goodricke-Pigott Observatory, Tucson |
| 684 - Prescott |
| 685 - Williams |
| 686 - U. of Minn. Infrared Obs., Mt. Lemmon |
| 687 - Northern Arizona University, Flagstaff |
| 688 - Lowell Observatory, Anderson Mesa Station |
| 689 - U.S. Naval Observatory, Flagstaff |
| 690 - Lowell Observatory, Flagstaff |
| 691 - Steward Observatory, Kitt Peak-Spacewatch |
| 692 - Steward Observatory, Tucson |
| 693 - Catalina Station, Tucson |
| 694 - Tumamoc Hill, Tucson |
| 695 - Kitt Peak |
| 696 - Whipple Observatory, Mt. Hopkins |
| 697 - Kitt Peak, McGraw-Hill |
| 698 - Mt. Bigelow |
| 699 - Lowell Observatory-LONEOS |
| 700 - Chinle |
| 701 - Junk Bond Observatory, Sierra Vista |
| 702 - Joint Obs. for cometary research, Socorro |
| 703 - Catalina Sky Survey |
| 704 - Lincoln Laboratory ETS, New Mexico |
| 705 - Apache Point |
| 706 - Salida |
| 707 - Chamberlin field station |
| 708 - Chamberlin Observatory, Denver |
| 709 - W & B Observatory, Cloudcroft |
| 710 - MPO Observatory, Florissant |
| 711 - McDonald Observatory, Fort Davis |
| 712 - USAF Academy Observatory, Colorado Springs |
| 713 - Thornton |
| 714 - Bagdad |
| 715 - Jornada Observatory, Las Cruces |
| 716 - Palmer Divide Observatory, Colorado Springs |
| 717 - Prude Ranch |
| 718 - Tooele |
| 719 - Etscorn Observatory |
| 720 - Universidad de Monterrey |
| 721 - Lime Creek |
| 722 - Missouri City |
| 723 - Cottonwood Observatory, Ada |
| 724 - National Observatory, Tacubaya |
| 725 - Fair Oaks Ranch |
| 726 - Brainerd |
| 727 - Zeno Observatory, Edmond |
| 728 - Corpus Christi |
| 729 - Glenlea Astronomical Observatory, Winnipeg |
| 730 - University of North Dakota, Grand Forks |
| 731 - Rose-Hulman Observatory, Terre Haute |
| 732 - Oaxaca |
| 733 - Allen, Texas |
| 734 - Farpoint Observatory, Eskridge |
| 735 - George Observatory, Needville |
| 736 - Houston |
| 737 - New Bullpen Observatory, Alpharetta |
| 738 - Observatory of the State University of Missouri |
| 739 - Sunflower Observatory, Olathe |
| 740 - SFA Observatory, Nacogdoches |
| 741 - Goodsell Observatory, Northfield |
| 742 - Drake University, Des Moines |
| 743 - University of Minnesota, Minneapolis |
| 744 - Doyan Rose Observatory, Indianapolis |
| 745 - Morrison Obervatory, Glasgow |
| 746 - Brooks Observatory, Mt. Pleasant |
| 747 - Highland Road Park Observatory |
| 748 - Van Allen Observatory, Iowa City |
| 749 - Oakwood |
| 750 - Hobbs Observatory, Fall Creek |
| 751 - Lake Saint Louis |
| 752 - Puckett Observatory, Mountain Town |
| 753 - Washburn Observatory, Madison |
| 754 - Yerkes Observatory, Williams Bay |
| 755 - Optec Observatory |
| 756 - Dearborn Observatory, Evanston (bef. July 1939) |
| 757 - High Point |
| 758 - BCC Observatory, Cocoa |
| 759 - Nashville |
| 760 - Goethe Link Observatory, Brooklyn |
| 761 - Zephyrhills |
| 762 - Four Winds Observatory, Lake Leelanau |
| 763 - King City |
| 764 - Puckett Observatory, Stone Mountain |
| 765 - Cincinnati |
| 766 - Michigan State University Obs., East Lansing |
| 767 - Ann Arbor |
| 768 - Dearborn Observatory, Evanston (aft. Oct. 1939) |
| 769 - McMillin Observatory, Columbus |
| 770 - Crescent Moon Observatory, Columbus |
| 771 - Boyeros Observatory, Havana |
| 772 - Boltwood Observatory, Stittsville |
| 773 - Warner and Swasey Observatory, Cleveland |
| 774 - Warner and Swasey Nassau Station, Chardon |
| 775 - Sayre Observatory, South Bethlehem |
| 776 - Foggy Bottom, Hamilton |
| 777 - Toronto |
| 778 - Allegheny Observatory, Pittsburgh |
| 779 - David Dunlap Observatory, Richmond Hill |
| 780 - Leander McCormick Observatory, Charlottesville |
| 781 - Quito |
| 782 - Quito, comet astrograph station |
| 783 - Rixeyville |
| 784 - Stull Observatory, Alfred University |
| 785 - Fitz-Randolph Observatory, Princeton |
| 786 - U.S. Naval Obs., Washington (since 1893) |
| 787 - U.S. Naval Obs., Washington (before 1893) |
| 788 - Mount Cuba Observatory, Wilmington |
| 789 - Litchfield Observatory, Clinton |
| 790 - Dominion Observatory, Ottawa |
| 791 - Flower and Cook Observatory, Philadelphia |
| 792 - University of Rhode Island, Quonochontaug |
| 793 - Dudley Observatory, Albany (before 1893) |
| 794 - Vassar College Observatory, Poughkeepsie |
| 795 - Rutherford |
| 796 - Stamford |
| 797 - Yale Observatory, New Haven |
| 798 - Yale Observatory, Bethany |
| 799 - Winchester |
| 800 - Harvard Observatory, Arequipa |
| 801 - Oak Ridge Observatory |
| 802 - Harvard Observatory, Cambridge |
| 803 - Taunton |
| 804 - Santiago-San Bernardo |
| 805 - Santiago-Cerro El Roble |
| 806 - Santiago-Cerro Calan |
| 807 - Cerro Tololo Observatory, La Serena |
| 808 - El Leoncito |
| 809 - European Southern Observatory, La Silla |
| 810 - Wallace Observatory, Westford |
| 811 - Maria Mitchell Observatory, Nantucket |
| 812 - Vina del Mar |
| 813 - Santiago-Quinta Normal (1862-1920) |
| 814 - North Scituate |
| 815 - Santiago-Santa Lucia (1849-1861) |
| 816 - Rand Observatory |
| 817 - Sudbury |
| 818 - Gemeaux Observatory, Laval |
| 819 - Val-des-Bois |
| 820 - Tarija |
| 821 - Cordoba-Bosque Alegre |
| 822 - Cordoba |
| 823 - Fitchburg |
| 824 - Lake Clear |
| 825 - Granville |
| 826 - Plessissville |
| 827 - Saint-Felicien |
| 828 - Assonet |
| 829 - Complejo Astronomico El Leoncito |
| 830 - Hudson |
| 831 - Rosemary Hill Observatory, University of Florida |
| 832 - Etters |
| 833 - Obs. Astronomico de Mercedes, Buenos Aires |
| 834 - Buenos Aires-AAAA |
| 835 - Drum Hill Station, Chelmsford |
| 836 - Furnace Brook Observatory, Cranston |
| 837 - Jupiter |
| 838 - Dayton |
| 839 - La Plata |
| 840 - Flint |
| 841 - Martin Observatory, Blacksburg |
| 842 - Gettysburg College Observatory |
| 843 - Emerald Lane Observatory, Decatur |
| 844 - Observatorio Astronomico Los Molinos |
| 845 - Ford Observatory, Ithaca |
| 846 - Principia Astronomical Observatory, Elsah |
| 847 - Lunar Cafe Observator, Flint |
| 848 - Tenagra Observatory, Cottage Grove |
| 849 - Everstar Observatory, Olathe |
| 850 - Cordell-Lorenz Observatory, Sewanee |
| 851 - Burke-Gaffney Observatory, Halifax |
| 852 - River Moss Observatory, St. Peters |
| 853 - Biosphere 2 Observatory |
| 854 - Sabino Canyon Observatory, Tucson |
| 855 - Wayside Observatory, Minnetonka |
| 856 - Riverside |
| 857 - Iowa Robotic Observatory, Sonoita |
| 858 - Tebbutt Observatory, Edgewood |
| 859 - Wykrota Observatory-CEAMIG |
| 860 - Valinhos |
| 861 - Barao Geraldo |
| 862 - Saku |
| 863 - Furukawa |
| 864 - Kumamoto |
| 865 - Emmy Observatory, New Paltz |
| 866 - U.S. Naval Academy, Michelson |
| 867 - Saji Observatory |
| 868 - Hidaka Observatory |
| 869 - Tosa |
| 870 - Campinas |
| 871 - Akou |
| 872 - Tokushima |
| 873 - Kurashiki Observatory |
| 874 - Observatorio do Pico dos Dias, Itajuba |
| 875 - Yorii |
| 876 - Honjo |
| 877 - Okutama |
| 878 - Kagiya |
| 879 - Tokai |
| 880 - Rio de Janeiro |
| 881 - Toyota |
| 882 - JCPM Oi Station |
| 883 - Shizuoka |
| 884 - Kawane |
| 885 - JCPM Yakiimo Station |
| 886 - Mishima |
| 887 - Ojima |
| 888 - Gekko |
| 889 - Karasuyama |
| 890 - JCPM Tone Station |
| 891 - JCPM Kimachi Station |
| 892 - YGCO Hoshikawa and Nagano Stations |
| 893 - Sendai Municipal Observatory |
| 894 - Kiyosato |
| 895 - Hatamae |
| 896 - Yatsugatake South Base Observatory |
| 897 - YGCO Chiyoda Station |
| 898 - Fujieda |
| 899 - Toma |
| 900 - Moriyama |
| 901 - Tajimi |
| 902 - Ootake |
| 903 - Fukuchiyama and Kannabe |
| 904 - Go-Chome and Kobe-Suma |
| 905 - Nachi-Katsuura Observatory |
| 906 - Cobram |
| 907 - Melbourne |
| 908 - Toyama |
| 909 - Snohomish Hilltop Observatory |
| 910 - Caussols-ODAS |
| 911 - Collins Observatory, Corning Community College |
| 912 - Carbuncle Hill Observatory, Greene |
| 913 - Observatorio Kappa Crucis, Montevideo |
| 914 - Underwood Observatory, Hubbardston |
| 915 - River Oaks Observatory, New Braunfels |
| 916 - Oakley Observatory, Terre Haute |
| 917 - Pacific Lutheran University Keck Observatory |
| 918 - Badlands Observatory, Quinn |
| 919 - Desert Beaver Observatory |
| 920 - RIT Observatory, Rochester |
| 921 - SW Institute for Space Research, Cloudcroft |
| 922 - Timberland Observatory, Decatur |
| 923 - The Bradstreet Observatory, St. Davids |
| 924 - Observatoire du Cegep de Trois-Rivieres |
| 925 - Palominas Observatory |
| 926 - Tenagra II Observatory, Nogales |
| 927 - Madison-YRS |
| 928 - Moonedge Observatory, Northport |
| 929 - Port Allen |
| 930 - S. S. Observatory, Pamatai |
| 931 - Puna'auia |
| 932 - John J. McCarthy Obs., New Milford |
| 933 - Rockland Observatory, Sierra Vista |
| 934 - Poway Valley |
| 935 - Wyrick Observatory, Haymarket |
| 936 - Ibis Observatory, Manhattan |
| 937 - Bradbury Observatory, Stockton-on-Tees |
| 938 - Linhaceira |
| 939 - Observatorio Rodeno |
| 940 - Waterlooville |
| 941 - Observatorio Pla D'Arguines |
| 942 - Grantham |
| 943 - Peverell |
| 944 - Observatorio Geminis, Dos Hermanas |
| 945 - Observatorio Monte Deva |
| 946 - Ametlla de Mar |
| 947 - Saint-Sulpice |
| 948 - Pymoor |
| 949 - Durtal |
| 950 - La Palma |
| 951 - Highworth |
| 952 - Marxuquera |
| 953 - Montjoia |
| 954 - Teide Observatory |
| 955 - Sassoeiros |
| 956 - Observatorio Pozuelo |
| 957 - Merignac |
| 958 - Observatoire de Dax |
| 959 - Ramonville Saint Agne |
| 960 - Rolvenden |
| 961 - City Observatory, Calton Hill, Edinburgh |
| 962 - Gandia |
| 963 - Werrington |
| 964 - Southend Bradfield |
| 965 - Observacao Astronomica no Algarve, Portimao |
| 966 - Church Stretton |
| 967 - Greens Norton |
| 968 - Haverhill |
| 969 - London-Regents Park |
| 970 - Chelmsford |
| 971 - Lisbon |
| 972 - Dun Echt |
| 973 - Harrow |
| 974 - Genoa Observatory |
| 975 - Observatorio Astronomico de Valencia |
| 976 - Leamington Spa |
| 977 - Markree |
| 978 - Conder Brow |
| 979 - South Wonston |
| 980 - Lancaster |
| 981 - Armagh |
| 982 - Dunsink Observatory, Dublin |
| 983 - San Fernando |
| 984 - Eastfield |
| 985 - Telford |
| 986 - Ascot |
| 987 - Isle of Man Observatory, Foxdale |
| 988 - Glasgow |
| 989 - Wilfred Hall Observatory, Preston |
| 990 - Madrid |
| 991 - Liverpool (since 1867) |
| 992 - Liverpool (before 1867) |
| 993 - Woolston Observatory |
| 994 - Godalming |
| 995 - Durham |
| 996 - Oxford |
| 997 - Hartwell |
| 998 - London-Mill Hill |
| 999 - Bordeaux-Floirac |
| A00 - Gravesend |
| A01 - Masia Cal Maciarol Modul 2 |
| A02 - Masia Cal Maciarol Modul 8 |
| A03 - Torredembarra |
| A04 - Saint-Caprais |
| A05 - Belesta |
| A06 - Mataro |
| A07 - Gretz-Armainvilliers |
| A08 - Malibert |
| A09 - Quincampoix |
| A10 - Observatorio Astronomico de Corbera |
| A11 - Wormhout |
| A12 - Stazione Astronomica di Sozzago |
| A13 - Observatoire Naef, Ependes |
| A14 - Les Engarouines Observatory |
| A15 - Josef Bresser Sternwarte, Borken |
| A16 - Tentlingen |
| A17 - Guidestar Observatory, Weinheim |
| A18 - Herne |
| A19 - Koln |
| A20 - Sogel |
| A21 - Irmtraut |
| A22 - Starkenburg Sternwarte-SOHAS |
| A23 - Weinheim |
| A24 - New Millennium Observatory, Mozzate |
| A25 - Nova Milanese |
| A26 - Darmstadt |
| A27 - Eridanus Observatory, Langelsheim |
| A28 - Kempten |
| A29 - Santa Maria a Monte |
| A30 - Crespadoro |
| A31 - Corcaroli Observatory |
| A32 - Panker |
| A33 - Volkssternwarte Kirchheim |
| A34 - Grosshabersdorf |
| A35 - Hormersdorf Observatory |
| A36 - Ganda di Aviatico |
| A37 - Mueggelheim |
| A38 - Campocatino Automated Telescope, Collepardo |
| A39 - Altenburg |
| A40 - Pieta |
| A41 - Rezman Observatory, Kamnik |
| A42 - Gehrden |
| A43 - Inastars Observatory, Potsdam (before 2006) |
| A44 - Altschwendt |
| A45 - Karrenkneul |
| A46 - Lelekovice |
| A47 - Matera |
| A48 - Povegliano Veronese |
| A49 - Uppsala-Angstrom |
| A50 - Andrushivka Astronomical Observatory |
| A51 - Danzig |
| A52 - Etyek |
| A53 - Peschiera del Garda |
| A54 - Ostrorog |
| A55 - Osservatorio Astronomico Vallemare di Borbona |
| A56 - Parma |
| A57 - Osservatorio Astron. Margherita Hack, Firenze |
| A58 - Observatoire de Chalandray-Canotiers |
| A59 - Karlovy Vary Observatory |
| A60 - YSTAR-NEOPAT Station, Sutherland |
| A61 - Tortona |
| A62 - Aichtal |
| A63 - Cosmosoz Obs., Tassin la Demi Lune |
| A64 - Couvaloup de St-Cergue |
| A65 - Le Couvent de Lentin |
| A66 - Stazione Osservativa Astronomica, Livorno |
| A67 - Chiusa di Pesio |
| A68 - Swedenborg Obs., Bockholmwik |
| A69 - Osservatorio Palazzo Bindi Sergardi |
| A70 - Lumijoki |
| A71 - Stixendorf |
| A72 - Radebeul Observatory |
| A73 - Penzing Astrometric Obs., Vienna |
| A74 - Bergen-Enkheim Observatory |
| A75 - Fort Pius Observatory, Barcelona |
| A76 - Andromeda Observatory, Miskolc |
| A77 - Observatoire Chante-Perdrix, Dauban |
| A78 - Stia |
| A79 - Zvezdno Obshtestvo Observatory, Plana |
| A80 - Lindenberg Observatory |
| A81 - Balzaretto Observatory, Rome |
| A82 - Osservatorio Astronomico di Trieste |
| A83 - Jakokoski Observatory |
| A84 - TUBITAK National Observatory |
| A85 - Odesa Astronomical Observatory, Kryzhanovka |
| A86 - Albigneux |
| A87 - Rimbach |
| A88 - Bolzaneto |
| A89 - Sterni Observatory, Kempten |
| A90 - Sant Gervasi Observatory, Barcelona |
| A91 - Hankasalmi Observatory |
| A92 - Urseanu Observatory, Bucharest |
| A93 - Lucca |
| A94 - Cormons |
| A95 - Taurus Hill Observatory, Varkaus |
| A96 - Klosterneuburg |
| A97 - Stammersdorf |
| A98 - Observatory Mazzarot-1, Baran' |
| A99 - Osservatorio del Monte Baldo |
| B00 - Savigny-le-Temple |
| B01 - Taunus Observatory, Frankfurt |
| B02 - Kielce |
| B03 - Alter Satzberg, Vienna |
| B04 - OAVdA, Saint-Barthelemy |
| B05 - Ka-Dar Observatory, Barybino |
| B06 - Montseny Astronomical Observatory |
| B07 - Camorino |
| B08 - San Lazzaro di Savena |
| B09 - Capannoli |
| B10 - Observatoire des Baronnies Provencales, Moydans |
| B11 - Osservatorio Cima Rest, Magasa |
| B12 - Koschny Observatory, Noordwijkerhout |
| B13 - Osservatorio di Tradate |
| B14 - Ca del Monte |
| B15 - Inastars Observatory, Potsdam (since 2006) |
| B16 - 1st Moscow Gymnasium Observatory, Lipki |
| B17 - AZT-8 Yevpatoriya |
| B18 - Terskol |
| B19 - Observatorio Iluro, Mataro |
| B20 - Observatorio Carmelita, Tiana |
| B21 - Gaisberg Observatory, Schaerding |
| B22 - Observatorio d'Ager |
| B23 - Fiamene |
| B24 - Cesson |
| B25 - Catania |
| B26 - Observatoire des Terres Blanches, Reillanne |
| B27 - Picard Observatory, St. Veit |
| B28 - Mandi Observatory, Pagnacco |
| B29 - L'Ampolla Observatory, Tarragona |
| B30 - Szamotuly-Galowo |
| B31 - Southern African Large Telescope, Sutherland |
| B32 - Gelenau |
| B33 - Libbiano Observatory, Peccioli |
| B34 - Green Island Observatory, Gecitkale |
| B35 - Bareket Observatory, Macabim |
| B36 - Redshed Observatory, Kallham |
| B37 - Obs. de L' Ametlla del Valles, Barcelona |
| B38 - Santa Mama |
| B39 - Tradate |
| B40 - Skylive Observatory, Catania |
| B41 - Zlin Observatory |
| B42 - Vitebsk |
| B43 - Hennef |
| B44 - Eygalayes |
| B45 - Narama |
| B46 - Sintini Observatory, Alfonsine |
| B47 - Metsala Observatory, Espoo |
| B48 - Bocholt |
| B49 - Paus Observatory, Sabadell |
| B50 - Corner Observatory, Durmersheim |
| B51 - Vallauris |
| B52 - Observatorio El Far |
| B53 - Casal Lumbroso, Rome |
| B54 - Ager |
| B55 - Comeglians |
| B56 - Observatorio Sant Pere, Mataro |
| B57 - Laietania Observatory, Parets del Valles |
| B58 - Polaris Observatory, Budapest |
| B59 - Borken |
| B60 - Deep Sky Observatorium, Bad Bentheim |
| B61 - Valldoreix Obs.,Sant Cugat del Valles |
| B62 - Brelingen |
| B63 - Solaris Observatory, Luczanowice |
| B64 - Slope Rock Observatory, Hyvinkaa |
| B65 - Komakallio Observatory, Kirkkonummi |
| B66 - Osservatorio di Casasco |
| B67 - Sternwarte Mirasteilas, Falera |
| B68 - Mount Matajur Observatory |
| B69 - Owls and Ravens Observatory, Holzgerlingen |
| B70 - Sant Celoni |
| B71 - Observatorio El Vendrell |
| B72 - Soerth Observatory |
| B73 - Mauren Valley Observatory, Holzgerlingen |
| B74 - Santa Maria de Montmagastrell |
| B75 - Stazione Astronomica Betelgeuse, Magnago |
| B76 - Sternwarte Schonfeld, Dresden |
| B77 - Schafmatt Observatory, Aarau |
| B78 - Astrophoton Observatory, Audorf |
| B79 - Marana Observatory |
| B80 - Osservatorio Astronomico Campomaggiore |
| B81 - Caimari |
| B82 - Maidbronn |
| B83 - Gieres |
| B84 - Cyclops Observatory, Oostkapelle |
| B85 - Beilen Observatory |
| B86 - Sternwarte Hagen |
| B87 - Banyoles |
| B88 - Bigmuskie Observatory, Mombercelli |
| B89 - Observatori Astronomic de Tiana |
| B90 - Malina River Observatory, Povoletto |
| B91 - Bollwiller |
| B92 - Chinon |
| B93 - Hoogeveen |
| B94 - Petrozavodsk |
| B95 - Achternholt |
| B96 - Brixiis Observatory, Kruibeke |
| B97 - Sterrenwacht Andromeda, Meppel |
| B98 - Siena |
| B99 - Santa Coloma de Gramenet |
| C00 - Velikie Luki |
| C01 - Lohrmann-Observatorium, Triebenberg |
| C02 - Observatorio Royal Park |
| C03 - Clayhole Observatory, Jokela |
| C04 - Kramatorsk |
| C05 - Konigsleiten |
| C06 - Krasnoyarsk |
| C07 - Anysllum Observatory, Ager |
| C08 - Fiby |
| C09 - Rouet |
| C10 - Maisoncelles |
| C11 - City Observatory, Slany |
| C12 - Berta Observatory, Sabadell |
| C13 - Como |
| C14 - Sky Vistas Observatory, Eichgraben |
| C15 - ISON-Ussuriysk Observatory |
| C16 - Isarwinkel Observatory, Bad Tolz |
| C17 - Observatorio Joan Roget, Ager |
| C18 - Frasnes-Lez-Anvaing |
| C19 - ROSA Observatory, Vaucluse |
| C20 - Kislovodsk Mtn. Astronomical Stn., Pulkovo Obs. |
| C21 - Observatorio Via Lactea, Ager |
| C22 - Oberwiesenthal |
| C23 - Olmen |
| C24 - Seveso |
| C25 - Pulkovo Observatory Station, Campo Imperatore |
| C26 - Levendaal Observatory, Leiden |
| C27 - Pallerols |
| C28 - Wellinghofen |
| C29 - Observatori Astronomic de Les Planes de Son |
| C30 - Petrozavodsk University Obs., Sheltozero Stn. |
| C31 - Sternwarte Neanderhoehe Hochdahl e.V., Erkrath |
| C32 - Ka-Dar Observatory, TAU Station, Nizhny Arkhyz |
| C33 - Observatorio CEAM, Caimari |
| C34 - Baja Astronomical Observatory |
| C35 - Terrassa |
| C36 - Starry Wanderer Observatory, Baran' |
| C37 - Stowupland |
| C38 - Varuna Observatory, Cuorgne |
| C39 - Nijmegen |
| C40 - Kuban State University Astrophysical Observatory |
| C41 - MASTER-II Observatory, Kislovodsk |
| C42 - Xingming Observatory, Mt. Nanshan |
| C43 - Hoyerswerda |
| C44 - A. Volta Observatory, Lanzo d'Intelvi |
| C45 - La Giustiniana |
| C46 - Horizon Observatory, Petropavlovsk |
| C47 - Nonndorf |
| C48 - Sayan Solar Observatory, Irkutsk |
| C49 - STEREO-A |
| C50 - STEREO-B |
| C51 - WISE |
| C52 - Swift |
| C53 - NEOSSat |
| C54 - New Horizons |
| C55 - Kepler |
| C56 - LISA-Pathfinder |
| C57 - TESS |
| C58 - NEO Surveyor |
| C59 - Yangwang-1 |
| C60 - Argelander Institute for Astronomy Obs., Bonn |
| C61 - Chelles |
| C62 - Eurac Observatory, Bolzano |
| C63 - Giuseppe Piazzi Observatory, Ponte in Valtellina |
| C64 - Puchenstuben |
| C65 - Observatori Astronomic del Montsec |
| C66 - Observatorio El Cielo de Consell |
| C67 - Gnevsdorf |
| C68 - Ellinogermaniki Agogi Observatory, Pallini |
| C69 - Bayerwald Sternwarte, Neuhuette |
| C70 - Uiterstegracht Station, Leiden |
| C71 - Sant Marti Sesgueioles |
| C72 - Palestrina |
| C73 - Galati Observatory |
| C74 - Observatorio El Teatrillo de Lyra, Ager |
| C75 - Whitestar Observatory, Borgobello |
| C76 - Observatorio Estels, Ager |
| C77 - Bernezzo Observatory |
| C78 - Martin S. Kraar Observatory, Rehovot |
| C79 - Roser Observatory, Blanes |
| C80 - Don Astronomical Observatory, Rostov-on-Don |
| C81 - Dolomites Astronomical Observatory |
| C82 - Osservatorio Astronomico Nastro Verde, Sorrento |
| C83 - Badalozhnyj Observatory |
| C84 - Badalona |
| C85 - Observatorio Cala d'Hort, Ibiza |
| C86 - Blanes |
| C87 - Rimbach |
| C88 - Montarrenti Observatory, Siena |
| C89 - Astronomical Station Vidojevica |
| C90 - Vinyols |
| C91 - Montevenere Observatory, Monzuno |
| C92 - Valdicerro Observatory, Loreto |
| C93 - Bellavista Observatory, L'Aquila |
| C94 - MASTER-II Observatory, Tunka |
| C95 - SATINO Remote Observatory, Haute Provence |
| C96 - OACL Observatory, Mosciano Sant Angelo |
| C97 - Al-Fulaij Observatory, Oman |
| C98 - Osservatorio Casellina, Scandicci |
| C99 - Observatori Can Roig, Llagostera |
| D00 - ASC-Kislovodsk Observatory |
| D01 - Andean Northern Observatory, Nummi-Pusula |
| D02 - Observatori Petit Sant Feliu |
| D03 - Rantiga Osservatorio, Tincana |
| D04 - Krasnodar |
| D05 - ISON-Terskol Observatory |
| D06 - Associazione Tuscolana di Astronomia, Domatore |
| D07 - Wegberg |
| D08 - Ghezz Observatory, Leontica |
| D09 - Observatory Gromme, Maasmechelen |
| D10 - Gaertringen |
| D11 - Bastidan Observatory |
| D12 - Filzi School Observatory, Laives |
| D13 - Cat's Eye Observatory |
| D14 - Nanchuan Observatory, Guangzhou |
| D15 - Sternwarte F.Schiller-Gymnasium, Weimar |
| D16 - Po Leung Kuk Observatory, Tuen Mun |
| D17 - Hong Kong |
| D18 - Mt. Guizi Observatory |
| D19 - Hong Kong Space Museum Sai Kung iObservatory |
| D20 - Zadko Observatory, Wallingup Plain |
| D21 - Shenton Park |
| D22 - UWA Observatory, Crawley |
| D23 - OAIA, Alcarras |
| D24 - LightBuckets Observatory, Pingelly |
| D25 - Tzec Maun Observatory, Pingelly (before 2010) |
| D26 - Peyrole Observatory, Peyrole |
| D27 - Observatoire de Fontcaude, Juvignac |
| D28 - Escaldarium Observatory,Caldes de Montbui |
| D29 - Purple Mountain Observatory, XuYi Station |
| D30 - Sternwarte Silbergraben, Erfurt |
| D31 - Osservatorio Aldebaran, Rivalba |
| D32 - JiangNanTianChi Observatory, Mt. Getianling |
| D33 - Kenting Observatory, Checheng |
| D34 - Kenting Observatory, Hengchun |
| D35 - Lulin Observatory |
| D36 - Tataka, Mt. Yu-Shan National Park |
| D37 - Lulin Widefield Telescope, Mt. Lulin |
| D38 - Tecnosky Astropark, Felizzano |
| D39 - Shandong University Observatory, Weihai |
| D40 - Frosinone |
| D41 - Osservatorio Astronomico Orciatico |
| D42 - Piero Angela Observatory, Scandicci |
| D43 - 45th Parallel Obs., Pino Torinese |
| D44 - Ishigakijima Astronomical Observatory |
| D45 - Kamyk, Trzesn |
| D46 - Observatory Bad Wurzach |
| D47 - BigBang Observatory, Manciano |
| D48 - Niederbexbach Observatory |
| D49 - L'Ametlla de Mar |
| D50 - Vaucluse Observatoire Celeste, Blauvac |
| D51 - Plateau Astronomique La Couronne |
| D52 - ULU Observatory, Caselle Landi |
| D53 - ISON-Blagoveschensk Observatory |
| D54 - MASTER-II Observatory, Blagoveshchensk |
| D55 - Kangwon Science High School Observatory, Ksho |
| D57 - Gimhae Astronomical Observatory, Uhbang-dong |
| D58 - KSA SEM Observatory, Danggam-dong |
| D60 - Masseris, Savogna |
| D61 - Suntopia Marina, Sumoto |
| D62 - Miyaki-Argenteus |
| D63 - G. Pascoli Observatory, Barga (since June 2023) |
| D64 - Fucama, Casalincontrada |
| D67 - Tula Rooftop Observatory, Tula |
| D70 - Tosa |
| D74 - Nakagawa |
| D75 - Cariati |
| D78 - Iga-Ueno |
| D79 - YSVP Observatory, Vale Park |
| D80 - Gumma Astronomical Observatory |
| D81 - Nagano |
| D82 - Wallaroo |
| D83 - Miwa |
| D84 - Hallet Cove |
| D85 - Ingle Farm |
| D86 - Penwortham |
| D87 - Brooklyn Park |
| D88 - Hiratsuka |
| D89 - Yamagata |
| D90 - RAS Observatory, Moorook |
| D91 - Adati |
| D92 - Osaki |
| D93 - Sendai Astronomical Observatory |
| D94 - Takanezawa, Tochigi |
| D95 - Kurihara |
| D96 - Tzec Maun Observatory, Moorook |
| D97 - Berri |
| D98 - Loiano TANDEM |
| E00 - Castlemaine |
| E01 - Barfold |
| E03 - RAS Observatory, Officer |
| E04 - Pacific Sky Observatory, Saipan |
| E05 - Earl Hill Observatory, Trinity Beach |
| E07 - Murrumbateman |
| E08 - Wobblesock Observatory, Coonabarabran |
| E09 - Oakley Southern Sky Observatory, Coonabarabran |
| E10 - Siding Spring-Faulkes Telescope South |
| E11 - Frog Rock Observatory, Mudgee |
| E12 - Siding Spring Survey |
| E13 - Wanniassa |
| E14 - Hunters Hill Observatory, Ngunnawal |
| E15 - Magellan Observatory, near Goulburn |
| E16 - Grove Creek Observatory, Trunkey |
| E17 - Leura |
| E18 - BDI Observatory, Regents Park |
| E19 - Kingsgrove |
| E20 - Marsfield |
| E21 - Norma Rose Observatory, Leyburn |
| E22 - Univ. of Southern Queensland Obs., Mt. Kent |
| E23 - Arcadia |
| E24 - Tangra Observatory, St. Clair |
| E25 - Rochedale (APTA) |
| E26 - RAS Observatory, Biggera Waters |
| E27 - Thornlands |
| E28 - Kuriwa Observatory, Hawkesbury Heights |
| E62 - Slooh.com Australia, Coonabarabran |
| E81 - Nelson |
| E83 - Wither Observatory, Witherlea |
| E85 - Farm Cove |
| E87 - Turitea |
| E89 - Geyserland Observatory, Pukehangi |
| E94 - Possum Observatory, Gisborne |
| F51 - Pan-STARRS 1, Haleakala |
| F52 - Pan-STARRS 2, Haleakala |
| F59 - Ironwood Remote Observatory, Hawaii |
| F60 - Ironwood Observatory, Hawaii |
| F65 - Haleakala-Faulkes Telescope North |
| F84 - Hibiscus Observatory, Punaauia |
| F85 - Tiki Observatory, Punaauia |
| F86 - Moana Observatory, Punaauia |
| G00 - AZM Martinsberg, Oed |
| G01 - Universitaetssternwarte Oldenburg |
| G02 - KYSUCE Observatory, Kysucke Nove Mesto |
| G03 - Capricornus Observatory, Csokako |
| G04 - Schuelerlabor Astronomie St. 7, Wuppertal |
| G05 - Piconcillo, Sierra Morena |
| G06 - Dordrecht, Sterrenburg |
| G07 - Millau Observatory |
| G08 - Observatorio Les Pedritxes, Matadepera |
| G09 - SWF Observatory, South Woodham Ferrers |
| G10 - Clavier Observatory, Lora Del Rio |
| G11 - Breitenweg Observatory, Herkenrath |
| G12 - Sternwarte EG, Lippstadt |
| G13 - Astronomihagen, Fannrem |
| G14 - Novaloop Observatory, Mougins |
| G15 - Magroforte Observatory, Alessandria |
| G16 - OmegaLab Observatory, Palermo |
| G17 - BAS Observatory, Scandicci |
| G18 - ALMO Observatory, Padulle |
| G19 - Immanuel Kant Observatory,Limbach |
| G20 - Brignoles Observatory |
| G21 - Osservatorio Castrofilippo |
| G22 - Experimenta Observatory, Heilbronn |
| G23 - Vulpecula Observatory, Budapest |
| G24 - Dettenhausen |
| G25 - Sherbrooke |
| G26 - Fushan Observatory, Mt Shaohua |
| G27 - Fabra Observatory, Montsec |
| G28 - Wyncroft Observatory, Attleborough |
| G29 - Requena |
| G30 - Casselman |
| G31 - CCAT Trieste |
| G32 - Elena Remote Observatory, San Pedro de Atacama |
| G33 - Wickede |
| G34 - Oberfrauendorf |
| G35 - Elephant Head Obsevatory, Sahuarita |
| G36 - Calar Alto-CASADO |
| G37 - Lowell Discovery Telescope |
| G38 - Observatorio La Senda, Cabanillas del Campo |
| G39 - ROAD, San Pedro de Atacama |
| G40 - Slooh.com Canary Islands Observatory |
| G41 - Insperity Observatory, Humble |
| G42 - Observatorio Astronomico UAdeC, Saltillo |
| G43 - Observatorio Buenaventura Suarez, San Luis |
| G44 - Observatorio Longa Vista, Sao Paulo |
| G45 - Space Surveillance Telescope, Atom Site |
| G46 - Pinto Valley Observatory |
| G47 - HillTopTop Observatory, Edgewood |
| G48 - Harlingten Research Observatory, Rancho Hildalgo |
| G49 - Minnetonka |
| G50 - Organ Mesa Observatory, Las Cruces |
| G51 - Byrne Observatory, Sedgwick Reserve |
| G52 - Stone Edge Observatory, El Verano |
| G53 - Alder Springs Observatory, Auberry |
| G54 - Hemet |
| G55 - Bakersfield |
| G56 - Walnut Creek |
| G57 - Dilbert Observatory, Forest Grove |
| G58 - Chabot Space and Science Center, Oakland |
| G59 - Maiden Lane Obs., Bainbridge Island |
| G60 - Carroll Observatory, Montecito |
| G61 - Pleasanton |
| G62 - Sunriver Nature Center Observatory, Sunriver |
| G63 - Mill Creek Observatory, The Dalles |
| G64 - Blue Canyon Observatory |
| G65 - Vulcan North, Lick Observatory, Mount Hamilton |
| G66 - Lake Forest Observatory, Forest Hills |
| G67 - Rancho Del Sol, Camino |
| G68 - Sierra Stars Observatory, Markleeville |
| G69 - Via Capote Sky Observatory, Thousand Oaks |
| G70 - Francisquito Observatory, Los Angeles |
| G71 - Rancho Palos Verdes |
| G72 - University Hills |
| G73 - Mount Wilson-TIE |
| G74 - Boulder Knolls Observatory, Escondido |
| G75 - Starry Knight Observatory, Coto de Caza |
| G76 - Altimira Observatory, Coto de Caza |
| G77 - Baldwin Lake |
| G78 - Desert Wanderer Observatory, El Centro |
| G79 - Goat Mountain Astronomical Research Station |
| G80 - Sierra Remote Observatories, Auberry |
| G81 - Temecula |
| G82 - SARA Observatory, Kitt Peak |
| G83 - Mt. Graham-LBT |
| G84 - Mount Lemmon SkyCenter |
| G85 - Vermillion Cliffs Observatory, Kanab |
| G86 - Tucson-Winterhaven |
| G87 - Calvin M. Hooper Memorial Observatory, Hyde Park |
| G88 - LAMP Observatory, New River |
| G89 - Kachina Observatory, Flagstaff |
| G90 - Three Buttes Observatory, Tucson |
| G91 - Whipple Observatory, Mt. Hopkins--2MASS |
| G92 - Jarnac Observatory, Vail |
| G93 - Sonoita Research Observatory, Sonoita |
| G94 - Sonoran Skies Observatory, St. David |
| G95 - Hereford Arizona Observatory, Hereford |
| G96 - Mt. Lemmon Survey |
| G97 - Astronomical League Alpha Observatory, Portal |
| G98 - Calvin-Rehoboth Observatory, Rehoboth |
| G99 - NF Observatory, Silver City |
| H00 - Tyrone |
| H01 - Magdalena Ridge Observatory, Socorro |
| H02 - Sulphur Flats Observatory, La Cueva |
| H03 - Sandia View Observatory, Rio Rancho |
| H04 - Santa Fe |
| H05 - Edmund Kline Observatory, Deer Trail |
| H06 - iTelescope Observatory, Mayhill |
| H07 - 7300 Observatory, Cloudcroft |
| H08 - BlackBird Observatory, Cloudcroft |
| H09 - Antelope Hills Observatory, Bennett |
| H10 - Tzec Maun Observatory, Mayhill |
| H11 - LightBuckets Observatory, Rodeo |
| H12 - TechDome, Mayhill |
| H13 - Lenomiya Observatory, Casa Grande |
| H14 - Morning Star Observatory, Tucson |
| H15 - ISON-NM Observatory, Mayhill |
| H16 - HUT Observatory, Eagle |
| H17 - Angel Peaks Observatory |
| H18 - Vail View Observatory, Vail |
| H19 - Lone Star Observatory, Caney |
| H20 - Eastern Illinois University Obs., Charleston |
| H21 - Astronomical Research Observatory, Westfield |
| H22 - Terre Haute |
| H23 - Pear Tree Observatory, Valparaiso |
| H24 - J. C. Veen Observatory, Lowell |
| H25 - Harvest Moon Observatory, Northfield |
| H26 - Doc Greiner Research Observatory, Janesvillle |
| H27 - Moonglow Observatory, Warrensburg |
| H28 - Preston Hills Observatory, Celina |
| H29 - Ivywood Observatory, Edmond |
| H30 - University of Oklahoma Observatory, Norman |
| H31 - Star Ridge Observatory, Weimar |
| H32 - Texas A&M Physics Observatory, College Station |
| H33 - Bixhoma Observatory, Bixby |
| H34 - Chapel Hill |
| H35 - Leavenworth |
| H36 - Sandlot Observatory, Scranton |
| H37 - Grems Timmons Observatories, Graettinger |
| H38 - Timberline Observatory, Urbandale |
| H39 - S.O.S. Observatory, Minneapolis |
| H40 - Nubbin Ridge Observatory |
| H41 - Petit Jean Mountain |
| H42 - Wartburg College Observatory, Waverly |
| H43 - Conway |
| H44 - Cascade Mountain |
| H45 - Arkansas Sky Obs., Petit Jean Mountain South |
| H46 - Ricky Observatory, Blue Springs |
| H47 - Vicksburg |
| H48 - PSU Greenbush Observatory, Pittsburg |
| H49 - ATU Astronomical Observatory, Russellville |
| H50 - University of Central Arkansas Obs., Conway |
| H51 - Greiner Research Observatory, Verona |
| H52 - Hawkeye Observatory, Durand |
| H53 - Thompsonville |
| H54 - Cedar Drive Observatory, Pulaski |
| H55 - Astronomical Research Observatory, Charleston |
| H56 - Northbrook Meadow Observatory |
| H57 - Ohio State University Observatory, Lima |
| H58 - NASA/MSFC ALaMO, Redstone Arsenal |
| H59 - Prairie Grass Observatory, Camp Cullom |
| H60 - Heartland Observatory, Carmel |
| H61 - Newcastle |
| H62 - Calvin College Observatory |
| H63 - DeKalb Observatory, Auburn |
| H64 - Thomas More College Observatory, Crestview Hills |
| H65 - Waltonfields Observatory, Walton |
| H66 - Yellow Springs |
| H67 - Stonegate Observatory, Ann Arbor |
| H68 - Red Barn Observatory, Ty Ty |
| H69 - Perkins Observatory, Delaware |
| H70 - Asheville |
| H71 - Chula |
| H72 - Evelyn L. Egan Observatory, Fort Myers |
| H73 - Lakeland Astronomical Observatory, Kirtland |
| H74 - Bar J Observatory, New Smyrna Beach |
| H75 - Indian Hill North Observatory, Huntsburg |
| H76 - Oakridge Observatory, Miami |
| H77 - Buehler Observatory |
| H78 - University of Narino Observatory, Pasto |
| H79 - York University Observatory, Toronto |
| H80 - Halsted Observatory, Princeton |
| H81 - Hartung-Boothroyd Observatory, Ithaca |
| H82 - CBA-NOVAC Observatory, Front Royal |
| H83 - Timberlake Observatory, Oakton |
| H84 - Northview Observatory, Mendon |
| H85 - Silver Spring |
| H86 - CBA-East Observatory, Laurel |
| H87 - Fenwick Observatory, Richmond |
| H88 - Hope Observatory, Belcamp |
| H89 - Galaxy Blues Observatory, Gatineau |
| H90 - Ottawa |
| H91 - Reynolds Observatory, Potsdam |
| H92 - Arcturus Observatory |
| H93 - Berkeley Heights |
| H94 - Cedar Knolls |
| H95 - NJIT Observatory, Newark |
| H96 - Observatoire des Pleiades, Mandeville |
| H97 - Talcott Mountain Science Center, Avon |
| H98 - Dark Rosanne Obs., Middlefield |
| H99 - Sunhill Observatory, Newton |
| I00 - Carbuncle Hill Observatory, Coventry |
| I01 - Clay Center Observatory, Brookline |
| I02 - Cerro Tololo Observatory, La Serena--2MASS |
| I03 - European Southern Obs., La Silla--ASTROVIRTEL |
| I04 - Mamalluca Observatory |
| I05 - Las Campanas Observatory-TIE |
| I06 - Werner Schmidt Obs., Dennis-Yarmouth Regional HS |
| I07 - Conlin Hill Observatory, Oxford |
| I08 - Alianza S4, Cerro Burek |
| I09 - Cerro Armazones |
| I10 - CAO, San Pedro de Atacama (until 2012) |
| I11 - Gemini South Observatory, Cerro Pachon |
| I12 - Phillips Academy Observatory, Andover |
| I13 - Burleith Observatory, Washington D.C. |
| I14 - Tigh Speuran Observatory, Framingham |
| I15 - Wishing Star Observatory, Barrington |
| I16 - IAA-AI Atacama, San Pedro de Atacama |
| I17 - Thomas G. Cupillari Observatory, Fleetville |
| I18 - Fan Mountain Observatory, Covesville |
| I19 - Observatorio El Gato Gris, Tanti |
| I20 - Observatorio Astronomico Salvador, Rio Cuarto |
| I21 - El Condor Observatory, Cordoba |
| I22 - Abbey Ridge Observatory, Stillwater Lake |
| I23 - Frosty Cold Observatory, Mash Harbor |
| I24 - Lake of the Woods Observatory, Locust Grove |
| I25 - ECCCO Observatory, Bosque Alegre |
| I26 - Observatorio Kappa Crucis, Cordoba |
| I27 - Barred Owl Observatory, Carp |
| I28 - Starhoo Observatory, Lakeville |
| I29 - Middlesex School Observatory, Concord |
| I30 - Observatorio Geminis Austral |
| I31 - Observatorio Astronomico del Colegio Cristo Rey |
| I32 - Observatorio Beta Orionis, Rosario |
| I33 - SOAR, Cerro Pachon |
| I34 - Morgantown |
| I35 - Sidoli |
| I36 - Observatorio Los Campitos, Canuelas |
| I37 - Astrodomi Observatory, Santa Rita |
| I38 - Observatorio Los Algarrobos, Salto |
| I39 - Observatorio Cruz del Sur, San Justo |
| I40 - La Silla--TRAPPIST |
| I41 - Palomar Mountain--ZTF |
| I42 - Westport Observatory |
| I43 - Tarleton State University Obs., Stephenville |
| I44 - Northwest Florida State College, Niceville |
| I45 - W Crusis Astronomical Observatory, San Justo |
| I46 - The Cottage Observatory, Altoona |
| I47 - Pierre Auger Observatory, Malargue |
| I48 - Observatorio El Catalejo, Santa Rosa |
| I49 - Sunflower Observatory, Santa Fe |
| I50 - P2 Observatory, Mayhill |
| I51 - Clinton |
| I52 - Steward Observatory, Mt. Lemmon Station |
| I53 - Armilla |
| I54 - Observatorio Las Vaguadas, Badajoz |
| I55 - Valencia |
| I56 - Observatorio Astronomico John Beckman, Almeria |
| I57 - Elche |
| I58 - Betera |
| I59 - Observatorio Fuente de los matos, Muriedas |
| I60 - Guernanderf |
| I61 - Ourense |
| I62 - Observatorio Helios Ontigola |
| I63 - Cygnus Observatory, New Airesford |
| I64 - Maidenhead |
| I65 - Yunquera |
| I66 - Taurus Australis Observatory, Brasilia |
| I67 - Hartley Wintney |
| I68 - Pousada dos Anoes Observatory |
| I69 - AGM Observatory, Marrakech |
| I70 - Gedney House Observatory, Kirton |
| I71 - Observatorio Los Milanos, Caceres |
| I72 - Observatorio Carpe-Noctem, Madrid |
| I73 - Salvia Observatory, Saulges |
| I74 - Baxter Garden Observatory, Salisbury |
| I75 - Observatorio Los Caracoles, Castello |
| I76 - Observatorio Tesla, Valdemorillo |
| I77 - CEAMIG-REA Observatory, Belo Horizonte |
| I78 - Observatorio Principia, Malaga |
| I79 - AstroCamp, Nerpio |
| I80 - Rose Cottage Observatory, Keighley |
| I81 - Tarbatness Observatory, Portmahomack |
| I82 - Guimar |
| I83 - Cherryvalley Observatory, Rathmolyon |
| I84 - Cerro del Viento, Badajoz |
| I85 - Las Negras |
| I86 - Observatorio UCM, Madrid |
| I87 - Astroshot Observatory, Monasterevin |
| I88 - Fuensanta de Martos |
| I89 - iTelescope Observatory, Nerpio |
| I90 - Blackrock Castle Observatory |
| I91 - Retamar |
| I92 - Astreo Observatory, Mairena del Aljarafe |
| I93 - St Pardon de Conques |
| I94 - Observatorio Rho Ophiocus, Las Rozas de Madrid |
| I95 - Observatorio de la Hita |
| I96 - Hyperion Observatory, Urbanizacion Caraquiz |
| I97 - Penn Heights Observatory, Rickmansworth |
| I98 - El Berrueco |
| I99 - Observatorio Blanquita, Vaciamadrid |
| J00 - Segorbe |
| J01 - Observatorio Cielo Profundo, Leon |
| J02 - Busot |
| J03 - Gothers Observatory, St. Dennis |
| J04 - ESA Optical Ground Station, Tenerife |
| J05 - Bootes Observatory, Boecillo |
| J06 - Trent Astronomical Observatory, Clifton |
| J07 - Observatorio SPAG Monfrague, Palazuelo-Empalme |
| J08 - Observatorio Zonalunar, Puzol |
| J09 - Balbriggan |
| J10 - Alicante |
| J11 - Matosinhos |
| J12 - Caraquiz |
| J13 - La Palma-Liverpool Telescope |
| J14 - La Corte |
| J15 - Muxagata |
| J16 - An Carraig Observatory, Loughinisland |
| J17 - Ragdon |
| J18 - Dingle Observatory, Montgomery |
| J19 - El Maestrat |
| J20 - Aravaca |
| J21 - El Boalo |
| J22 - Tacande Observatory, La Palma |
| J23 - Centre Astronomique de La Couyere |
| J24 - Observatorio Altamira |
| J25 - Penamayor Observatory, Nava |
| J26 - The Spaceguard Centre, Knighton |
| J27 - El Guijo Observatory |
| J28 - Jaen |
| J29 - Observatorio Nira, Tias |
| J30 - Observatorio Ventilla, Madrid |
| J31 - La Axarquia |
| J32 - Aljaraque |
| J33 - University of Hertfordshire Obs., Bayfordbury |
| J34 - La Fecha |
| J35 - Tucci Observatory, Martos |
| J36 - Observatorio DiezALaOnce, Illana |
| J37 - Huelva |
| J38 - Observatorio La Vara, Valdes |
| J39 - Ingenio |
| J40 - Malaga |
| J41 - Raheny |
| J42 - Puzol |
| J43 - Oukaimeden Observatory, Marrakech |
| J44 - Observatorio Iturrieta, Alava |
| J45 - Observatorio Montana Cabreja, Vega de San Mateo |
| J46 - Observatorio Montana Blanca, Tias |
| J47 - Observatorio Nazaret |
| J48 - Observatory Mackay, La Laguna |
| J49 - Santa Pola |
| J50 - La Palma-NEON |
| J51 - Observatorio Atlante, Tenerife |
| J52 - Observatorio Pinsoro |
| J53 - Posadas |
| J54 - Bradford Robotic Telescope |
| J55 - Los Altos de Arguineguin Observatory |
| J56 - Observatorio La Avejerilla |
| J57 - Centro Astronomico Alto Turia, Valencia |
| J58 - Brynllefrith Observatory, Llantwit Fardre |
| J59 - Observatorio Linceo, Santander |
| J60 - Tocororo Observatory, Arquillinos |
| J61 - Brownstown Observatory, Kilcloon |
| J62 - Kingsland Observatory, Boyle |
| J63 - San Gabriel |
| J64 - La Mata |
| J65 - Celbridge |
| J66 - Kinver |
| J67 - Observatorio La Puebla de Vallbona |
| J68 - Tweenhills Observatory, Hartpury |
| J69 - North Observatory, Clanfield |
| J70 - Obs. Astronomico Vega del Thader, El Palmar |
| J71 - Willow Bank Observatory |
| J72 - Valle del Sol |
| J73 - Quainton |
| J74 - Bilbao |
| J75 - OAM Observatory, La Sagra |
| J76 - La Murta |
| J77 - Golden Hill Observatory, Stourton Caundle |
| J78 - Murcia |
| J79 - Observatorio Calarreona, Aguilas |
| J80 - Sainte Helene |
| J81 - Guirguillano |
| J82 - Leyland |
| J83 - Olive Farm Observatory, Hoghton |
| J84 - South Observatory, Clanfield |
| J85 - Makerstoun |
| J86 - Sierra Nevada Observatory |
| J87 - La Canada |
| J88 - Strawberry Field Obs., Southampton |
| J89 - Tres Cantos Observatory |
| J90 - West Challow |
| J91 - Alt emporda Observatory, Figueres |
| J92 - Beaconsfield |
| J93 - Mount Tuffley Observatory, Gloucester |
| J94 - Abbeydale |
| J95 - Great Shefford |
| J96 - Observatorio de Cantabria |
| J97 - Alginet |
| J98 - Observatorio Manises |
| J99 - Burjassot |
| K00 - Hanau |
| K01 - Astrognosis Observatory, Bradwell |
| K02 - Eastwood Observatory, Leigh on Sea |
| K03 - Observatori AAS Montsec |
| K04 - Lo Fossil Observatory, Ager |
| K05 - Eden Observatory, Banham |
| K06 - Observatorio Montagut, Can Sola |
| K07 - Observatoire de Gravelle, St. Maurice |
| K08 - Observatorio Lledoner, Vallirana |
| K09 - Llica d'Amunt |
| K10 - Micro Palomar, Reilhanette |
| K11 - Observatoire de Pommier |
| K12 - Obsevatorio Astronomico de Marratxi |
| K13 - Albireo Observatory, Inca |
| K14 - Observatorio de Sencelles |
| K15 - Murviel-les-Montpellier |
| K16 - Reilhanette |
| K17 - Observatoire des Valentines, Bex |
| K18 - Hesingue |
| K19 - PASTIS Observatory, Banon |
| K20 - Danastro Observatory, Romeree |
| K21 - Saint-Saturnin-les-Avignon |
| K22 - Les Barres Observatory, Lamanon |
| K23 - Gorgonzola |
| K24 - Schmelz |
| K25 - Haute Provence Sud, Saint-Michel-l'Observatoire |
| K26 - Contern |
| K27 - St-Martin Observatory, Amathay Vesigneux |
| K28 - Sternwarte Eckdorf |
| K29 - Stellarium Gornergrat |
| K30 - Luscherz |
| K31 - Osservatorio Astronomico di Bellino |
| K32 - Maritime Alps Observatory, Cuneo |
| K33 - San Defendente |
| K34 - Turin |
| K35 - Huenfelden |
| K36 - Ebersheim |
| K37 - Cereseto |
| K38 - M57 Observatory, Saltrio |
| K39 - Serra Observatory |
| K40 - Altdorf |
| K41 - Vegaquattro Astronomical Obs., Novi Ligure |
| K42 - Knielingen |
| K43 - OVM Observatory, Chiesa in Valmalencom |
| K44 - Marienburg Sternwarte, Hildesheim |
| K45 - Oss. Astronomico di Punta Falcone, Piombino |
| K46 - Bamberg |
| K47 - BSCR Observatory, Santa Maria a Monte |
| K48 - Keyhole Observatory, San Giorgio di Mantova |
| K49 - Carpione Observatory, Spedaletto |
| K50 - Sternwarte Feuerstein, Ebermannstadt |
| K51 - Osservatorio del Celado, Castello Tesino |
| K52 - Gwen Observatory, San Francesco al Campo |
| K53 - Marina di Cerveteri |
| K54 - Astronomical Observatory University of Siena |
| K55 - Wallhausen |
| K56 - Osservatorio di Foligno |
| K57 - Fiore Observatory |
| K58 - Gevelsberg |
| K59 - Elsterland Observatory, Jessnigk |
| K60 - Lindby |
| K61 - Rokycany Observatory |
| K62 - Teplice Observatory |
| K63 - G. Pascoli Observatory, Barga (before June 2023) |
| K64 - Waizenreuth |
| K65 - Cesena |
| K66 - Osservatorio Astronomico di Anzio |
| K67 - Bayerwald Sternwarte, Spiegelau |
| K68 - Osservatorio Elianto, Pontecagnano |
| K69 - Riethnordhausen |
| K70 - Rosarno |
| K71 - Neutraubling |
| K72 - Celico |
| K73 - Gravina in Puglia |
| K74 - Muensterschwarzach Observatory, Schwarzach |
| K75 - Astro Dolomites, Santa Cristina Valgardena |
| K76 - BSA Osservatorio, Savigliano |
| K77 - EHB01 Observatory, Engelhardsberg |
| K78 - iota Scorpii Observatory, La Spezia |
| K79 - Erfurt |
| K80 - Platanus Observatory, Lusowko |
| K81 - P.M.P.H.R. Deep Sky Observatory, Atina |
| K82 - Alphard Observatory, Ostuni |
| K83 - Beppe Forti Astronomical Observatory, Montelupo |
| K84 - Felliscopio Observatory, Fellicarolo |
| K85 - Kelmis |
| K86 - Brescia |
| K87 - Dettelbach Vineyard Observatory |
| K88 - GINOP-KHK, Piszkesteto |
| K89 - Digital Stargate Observatory, Manciano |
| K90 - Sopot Astronomical Observatory |
| K91 - Sutherland-LCO A |
| K92 - Sutherland-LCO B |
| K93 - Sutherland-LCO C |
| K94 - Sutherland |
| K95 - MASTER-SAAO Observatory, Sutherland |
| K96 - Savelli Observatory |
| K97 - Freconrupt |
| K98 - 6ROADS Observatory 1, Wojnowko |
| K99 - Derenivka Observatory |
| L00 - East Rome Observatory, Rome |
| L01 - Visnjan Observatory, Tican |
| L02 - NOAK Observatory, Stavraki |
| L03 - SGT Observatory, Gaflenz |
| L04 - ROASTERR-1 Observatory, Cluj-Napoca |
| L05 - Dridri Observatory, Franciacorta |
| L06 - Sormano 2 Observatory, Bellagio Via Lattea |
| L07 - Osservatorio Salvatore di Giacomo, Agerola |
| L08 - Metsahovi Optical Telescope, Metsahovi |
| L09 - Sutherland-LCO Aqawan A #1 |
| L10 - Kryoneri Observatory |
| L11 - Sandvreten Observatory |
| L12 - Koksijde |
| L13 - Stardust Observatory, Brasov |
| L14 - Planetarium de Vaulx-en-Velin Observatory |
| L15 - St. George Observatory, Ploiesti |
| L16 - Stardreams Observatory, Valenii de Munte |
| L17 - Observatori Astronomic Albanya |
| L18 - QOS Observatory, Zalistsi |
| L19 - Osservatorio Felsina AAB, Montepastore |
| L20 - AG_Sarajevo Observatory, Sarajevo |
| L21 - Ostrov Observatory, Constanta |
| L22 - Barlad Observatory |
| L23 - Schela Observatory |
| L24 - Gauteng |
| L25 - Smolecin |
| L26 - Sanderphil Urban Observatory, Civitavecchia |
| L27 - 29PREMOTE Observatory, Dauban |
| L28 - ISON-Castelgrande Observatory |
| L29 - Drebach-South Observatory, Windhoek |
| L30 - Lohbach Observatory, Benninghofen |
| L31 - RaSo Observatory, Chemnitz |
| L32 - Korea Microlensing Telescope Network-SAAO |
| L33 - Ananiv |
| L34 - Galhassin Robotic Telescope, Isnello |
| L35 - DreamSky Observatory, Lisnyky |
| L36 - Ondrejov--BlueEye600 Telescope |
| L37 - Observatorio Alnitak, El Puerto de Santa Maria |
| L38 - Gartensternwarte Schafsweide, Sehlde |
| L39 - Osservatorio Spica, Signa |
| L40 - Sternwarte Saarbruecken Rastpfuhl |
| L41 - Ponte Uso |
| L42 - Observatory-Astrocamp Manciano |
| L43 - Ager, Leida |
| L44 - AstroVal, Le Chenit |
| L45 - ObsCT, Catania |
| L46 - Observatorio Majadahonda |
| L47 - Osservatorio Astronomico, Piobbico |
| L48 - CNVL Observatory, Baia Mare |
| L49 - VEGA-Sternwarte, Dorfleiten |
| L50 - GenShtab Observatory, Nauchnyi |
| L51 - MARGO, Nauchnyi |
| L52 - MASTER-Tavrida |
| L53 - Lomazzo Observatory, Como |
| L54 - Berthelot Observatory, Hunedoara |
| L55 - Sura Gardens, Dnipro |
| L56 - Sternwarte Limburg, Limburg |
| L57 - Bacau Observatory, Bacau |
| L58 - Heavenly Owl observatory |
| L59 - Compustar Observatory, Rouen |
| L60 - Popovich Observatory, Ivanivka |
| L61 - MONET South, Sutherland |
| L62 - Hypatia Observatory, Rimini |
| L63 - HOB Observatory, Capraia Fiorentina |
| L64 - Martesana Observatory, Cassina de Pecchi |
| L65 - Bredenkamp Observatory, Bremen |
| L66 - MeerLICHT-1, Sutherland |
| L67 - Cherkizovo Observatory, Moscow Oblast |
| L68 - PESCOPE, Port Elizabeth |
| L69 - LaCaille Observatory, Pretoria |
| L70 - Zvjezdarnica Graberje, Zagreb |
| L71 - Vedrus Observatory, Azovskaya |
| L72 - Melezhy Astrophoto Observatory |
| L73 - Beato Ermanno Observatory, Impruneta |
| L74 - AstroColauri, Naples |
| L75 - Tartu Observatory of Tartu University |
| L76 - Nomad Observatory, Kochevanchik |
| L77 - RDSS, Kovalevka |
| L78 - San Marco Observatory, Salerno |
| L79 - BOSZA Observatory, Szalanta |
| L80 - SpringBok Observatory, Tivoli |
| L81 - Skygems Namibia Remote Observatory |
| L82 - Crow Observatory, Portalegre |
| L83 - UJA Observatory, Jaen |
| L84 - Kairos Observatory, Letnik |
| L85 - BiAnto Observatory, Lauria |
| L86 - Giordano Bruno Observatory, Brallo |
| L87 - Moonbase South Observatory, Hakos |
| L88 - Stazione Astronomica Le Pleiadi, Pantane |
| L89 - PAO, Prato |
| L90 - ABObservatory, Rosarno |
| L91 - Antares MTM Observatory, S. Donato |
| L92 - San Costantino |
| L93 - Garraf Observatory, Sant Pere de Ribes |
| L94 - Observatorio MOMA, Oviedo |
| L95 - Observatorio Astronomico de Cartagena |
| L96 - ISON-Byurakan Observatory |
| L97 - Castle Fields Observatory, Calne |
| L98 - La Sagra Observatory, Puebla de Don Fadrique |
| L99 - Novosilky |
| M02 - Astropriorat Observatory |
| M03 - Badalona Boreal |
| M04 - Pujalt Observatory, Barcelona |
| M05 - Observatoire de la Nine, Canens |
| M06 - PeLe's Observatory, Ager |
| M07 - Siek |
| M08 - CHON, Stekene |
| M09 - Observatory Gromme - Oudsbergen |
| M10 - CPF Observatory, St Vallier de Thiey |
| M11 - Novaastro Observatory, Banon |
| M12 - Puschino |
| M13 - Lucie Berger Observatory, Strasbourg |
| M14 - Schiaparelli Gallarate Station |
| M15 - Virgo Oservatory, Seveso |
| M16 - Osservatorio Il Coreggiolo |
| M17 - SN1572 Tycho Observatory, La Spezia |
| M18 - Koeditz |
| M19 - Osservatorio Explorer, Pula |
| M20 - Polse di Cougnes Observatory, Zuglio |
| M21 - Schiaparelli Southern Observatory, Hakos |
| M22 - ATLAS South Africa, Sutherland |
| M23 - ELTE Gothard Observatory, Szombathely |
| M24 - La Macchina del Tempo, Ardore Marina |
| M25 - Einarin Observatory, Tampere |
| M26 - Zen Observatory, Scandicci |
| M27 - Elijah Observatory, Lajatico |
| M28 - Lesedi Telescope-SAAO Observatory, Sutherland |
| M29 - O.M.Ni.A. Observatory, Cesena |
| M30 - Zeta Aquarii Observatory, Brasov |
| M31 - Ursa Havaintokeskus, Artjarvi |
| M32 - Sunny Transcarpathian, Mukachevo |
| M33 - OWL-Net, Mitzpe Ramon |
| M34 - AGO70, Astronomical Observatory, Modra |
| M35 - PS Observatory, Parjol |
| M36 - Opicina, Trieste |
| M37 - Astronomsko drustvo Nanos, Ajdovscina |
| M38 - Harsona Observatory, Nyiregyhaza |
| M39 - AUTH Observatory, Thessaloniki |
| M40 - OSTS-NRIAG, Kottamia |
| M41 - Jeddah |
| M42 - Emirates Observatory, Al Rahba |
| M43 - Al Sadeem Observatory, Abu Dhabi |
| M44 - Al-Khatim Observatory, Abu Dhabi |
| M45 - Starhopper Observatory, Sfantu Gheorghe |
| M46 - Althuraya Astronomy Center, Dubai |
| M47 - Sharjah Observatory, Sharjah |
| M48 - GAC - Via L. Sturzo Observatory, Catania |
| M49 - IAS Remote Observatory, Hakos |
| M50 - Virtual Telescope Project, Manciano |
| M51 - Robert Mayer Sternwarte, Heilbronn |
| M52 - Sassari |
| M53 - CAS Observatory, Preetz |
| M54 - Observatoire Albireo de Biot |
| M55 - Luckystar Observatory, Vazec |
| M56 - Varedo |
| M57 - Wide-field Mufara Telescope, Isnello |
| M58 - VdS Remote Observatory, Hakos |
| M59 - Rondchamp Observatory, Reconvilier |
| M60 - Virgil Observatory, Loiano |
| M61 - Observatory Moers Kapellen |
| M62 - Lajoux Observatory |
| M63 - RPF Observatory, Gagliano del Capo |
| M64 - Holbrook, Heathfield |
| M65 - Mustola Observatory, Lappeenranta |
| M68 - School 1502 Rooftop Obs., Moscow |
| M75 - Online observatory, Peschany |
| M77 - Mezmay Comet Search Center |
| M90 - Chervishevo |
| N27 - Omsk-Yogik Observatory |
| N30 - Zeds Astronomical Observatory, Lahore |
| N31 - Eden Astronomical Observatory, Lahore |
| N42 - Tien-Shan Astronomical Observatory |
| N43 - Plateau Observatory for Dome A, Kunlun Station |
| N44 - Shache Station, Langan Village |
| N50 - Himalayan Chandra Telescope, IAO, Hanle |
| N51 - GROWTH India Telescope, IAO, Hanle |
| N54 - Purple Mountain Observatory, Jiama'erdeng |
| N55 - Corona Borealis Observatory, Ngari, Tibet |
| N56 - Jiama'erdeng Tianwentai, Ali, Tibet |
| N57 - YLT, NAOC |
| N82 - Multa Observatory |
| N83 - LW-1, NAOC-Korla |
| N86 - Xingming Observatory-KATS, Nanshan |
| N87 - Nanshan Station, Xinjiang Observatory |
| N88 - Xingming Observatory #3, Nanshan |
| N89 - Xingming Observatory #2, Nanshan |
| O02 - Galaxy Tibet YBJ Observatory,Yangbajing |
| O17 - Purple Mountain Observatory, Lenghu-1 |
| O18 - WFST, Lenghu |
| O37 - TRT-NEO, Chiangmai |
| O40 - Xingyuan, Daocheng |
| O41 - Choakanan Observatory, Lampang |
| O42 - Gaomeigu Gemini Observatory, LiJiang |
| O43 - Observatori Negara, Langkawi |
| O44 - Lijiang Station, Yunnan Observatories |
| O45 - Yunnan-HK Observatory, Gaomeigu |
| O46 - Daocheng Glacier Observatory |
| O47 - Yunling Observatory, Yunnan |
| O48 - Purple Mountain Observatory, Yaoan (0.8-m) |
| O49 - Purple Mountain Observatory, Yaoan Station |
| O50 - Hin Hua Observatory, Klang |
| O51 - Akin Observatory, Rayong |
| O52 - Astro820, Samut Prakan |
| O53 - Pakchong, Nachonratchasima |
| O54 - TSky Observatory, Chonburi |
| O55 - Telok Kemang Observatory, Port Dickson |
| O68 - LW-2, NAOC-Zhongwei |
| O72 - OWL-Net, Songino |
| O75 - ISON-Hureltogoot Observatory |
| O85 - LiShan Observatory, Lintong |
| P07 - Space Surveillance Telescope, HEH Station |
| P13 - Baihuashan Observatory, Beijing |
| P14 - Nedlands Observatory, Perth |
| P18 - Birch Forest Observatory, LaBaGouMen |
| P21 - 6R-AUS1, Youndegin |
| P22 - LW-3, NAOC-Xinglong |
| P25 - Kinmen Educational Remote Observatory, Jincheng |
| P30 - Jiangnantianchi Observatory, Anji |
| P31 - Starlight Observatory, Tianhuangping |
| P34 - Lvye Observatory, Suzhou |
| P35 - Cuteip Remote Observatory, Changhua |
| P36 - ULTRA Observatory,Suzhou |
| P37 - HuiWen High School Observatory, Taichung City |
| P38 - Checheng Elementary School Observatory |
| P40 - Chinese Culture University, Taipei |
| P48 - ASTEP, Concordia Station |
| P61 - Jilin Observatory |
| P63 - GSA Observatory, Gwangju |
| P64 - GSHS Observatory, Suwon |
| P65 - OWL-Net, Daedeok |
| P66 - Deokheung Optical Astronomy Observatory |
| P67 - Kangwon National University Observatory |
| P68 - DDSHS Biryong Observatory |
| P71 - Miryang Arirang Astronomical Observatory |
| P72 - OWL-Net, Mt. Bohyun |
| P73 - BSH Byulsem Observatory, Busan |
| P87 - Hirao Observatory, Yamaguchi |
| P93 - Space Tracking and Communications Center, JAXA |
| Q02 - Sakai Observatory, Osaka |
| Q06 - Tarui Observatory, Tarui |
| Q10 - Toyokawa Observatory |
| Q11 - Shinshiro |
| Q12 - Nagano Observatory |
| Q19 - Machida |
| Q20 - Swan Reach Imaging, Glenalta |
| Q21 - Southern Utsunomiya |
| Q23 - Sukagawa |
| Q24 - Katori |
| Q33 - Nayoro Observatory, Hokkaido University |
| Q38 - Swan Hill |
| Q54 - Harlingten Telescope, Greenhill Observatory |
| Q55 - SkyMapper, Siding Spring |
| Q56 - Heaven's Mirror Observatory, Yass |
| Q57 - Korea Microlensing Telescope Network-SSO |
| Q58 - Siding Spring-LCO Clamshell #1 |
| Q59 - Siding Spring-LCO Clamshell #2 |
| Q60 - ISON-SSO Observatory, Siding Spring |
| Q61 - PROMPT, Siding Spring |
| Q62 - iTelescope Observatory, Siding Spring |
| Q63 - Siding Spring-LCO A |
| Q64 - Siding Spring-LCO B |
| Q65 - Warrumbungle Observatory |
| Q66 - Siding Spring-Janess-G, JAXA |
| Q67 - JBL Observatory, Bathurst |
| Q68 - Blue Mountains Observatory, Leura |
| Q69 - Hazelbrook |
| Q70 - Glenlee Observatory, Glenlee |
| Q73 - Buckthorn, Thornton |
| Q78 - Woogaroo Observatory, Forest Lake |
| Q79 - Samford Valley Observatory |
| Q80 - Birkdale |
| Q81 - Caloundra West |
| R56 - Scott Street Observatory, Lake Tekapo |
| R57 - Aorangi Iti Observatory, Lake Tekapo |
| R58 - Beverly-Begg Observatory, Dunedin |
| R65 - R. F. Joyce Observatory, Christchurch |
| R66 - Mooray Observatory, Christchurch |
| R78 - Crystal Lake Observatory, Ngutunui |
| T03 - Haleakala-LCO Clamshell #3 |
| T04 - Haleakala-LCO OGG B #2 |
| T05 - ATLAS-HKO, Haleakala |
| T07 - ATLAS-MLO Auxiliary Camera, Mauna Loa |
| T08 - ATLAS-MLO, Mauna Loa |
| T09 - Subaru Telescope, Maunakea |
| T10 - Submillimeter Array, Maunakea (SMA) |
| T11 - United Kingdom Infrared Telescope, Maunakea |
| T12 - University of Hawaii 88-inch telescope, Maunakea |
| T13 - NASA Infrared Telescope Facility, Maunakea |
| T14 - Canada-France-Hawaii Telescope, Maunakea |
| T15 - Gemini North Observatory, Maunakea |
| T16 - W. M. Keck Observatory, Keck 1, Maunakea |
| T17 - W. M. Keck Observatory, Keck 2, Maunakea |
| T35 - Astronomical Society of Tahiti |
| U52 - Shasta Valley Observatory, Grenada |
| U53 - Murray Hill Observatory, Beaverton |
| U54 - Hume Observatory, Santa Rosa |
| U55 - Golden Ears Observatory, Maple Ridge |
| U56 - Palo Alto |
| U57 - Black Mountain Observatory, Los Altos |
| U63 - Burnt Tree Hill Observatory, Cle Elum |
| U64 - CWU-Lind Observatory, Ellensburg |
| U65 - CWU Observatory, Ellensburg |
| U67 - Jack C. Davis Observatory, Carson City |
| U68 - JPL SynTrack Robotic Telescope, Auberry |
| U69 - iTelescope SRO Observatory, Auberry |
| U70 - RASC Observatory, Alder Springs |
| U71 - AHS Observatory, Castaic |
| U72 - Tarzana |
| U73 - Redondo Beach |
| U74 - JPL SynTrack Robotic Telescope 2, Auberry |
| U75 - Newport Beach |
| U76 - Maury Lewin Observatory, Glendora |
| U77 - Rani Observatory, San Diego |
| U78 - Cedar Glen Observatory |
| U79 - Cosmos Research Center, Encinitas |
| U80 - CS3-DanHenge Observatory, Landers |
| U81 - CS3-Trojan Station, Landers |
| U82 - CS3-Palmer Divide Station, Landers |
| U83 - Mount Laguna Observatory |
| U93 - Skygems Dreamscope Utah, Beryl Junction |
| U94 - iTelescope Observatory, Beryl Junction |
| U96 - Athabasca University Geophysical Observatory |
| U97 - JPL SynTrack Robotic Telescope 3, Flagstaff |
| U98 - NAC Observatory, Benson |
| V00 - Kitt Peak-Bok |
| V01 - Mountainville Observatory, Alpine |
| V02 - Command Module, Tempe |
| V03 - Big Water |
| V04 - FRoST, Anderson Mesa |
| V05 - Rusty Mountain Observatory, Gold Canyon |
| V06 - Catalina Sky Survey-Kuiper |
| V07 - Whipple Observatory, Mount Hopkins-PAIRITEL |
| V08 - Mountain Creek Ranch, Vail |
| V09 - Moka Observatory, Benson |
| V10 - Sierra Sinagua Observatory, Flagstaff |
| V11 - Saguaro Observatory, Tucson |
| V12 - Elgin |
| V13 - Little Moose Observatory, Timber Lakes |
| V14 - Moose Springs Observatory, Timber Lakes |
| V15 - OWL-Net, Mt. Lemmon |
| V16 - Dark Sky New Mexico, Animas |
| V17 - Leo Observatory, Tucson |
| V18 - MASTER-OAGH Observatory, Sonora |
| V19 - Whiskey Creek Observatory |
| V20 - Killer Rocks Observatory, Pie Town |
| V21 - Cewanee Observatory at DSNM |
| V22 - Insight Remote Observatory, Pie Town |
| V23 - FOAH Observatory, Magdalena |
| V24 - Sonoran Desert Skies Observatory, Pearce |
| V25 - Tortugas Mountain Observatory, Las Cruces |
| V26 - UAS-ISON Observatory, Cosala |
| V27 - North Mesa Observatory, Los Alamos |
| V28 - Deep Sky West Observatory, Rowe |
| V29 - Tzec Maun Cloudcroft Facility |
| V30 - Heaven on Earth Observatory, Mayhill |
| V31 - Hazardous Observatory, Mayhill |
| V32 - Canvas View New Mexico Skies, Mayhill |
| V33 - Finlaystone Observatory, Angel Fire |
| V34 - Baker Observatory, Black Forest |
| V35 - Deep Sky Observatory Collaborative, Pier 5 |
| V36 - The Ranch Observatory, Lakewood |
| V37 - McDonald Observatory-LCO ELP |
| V38 - McDonald Observatory-LCO ELP Aqawan A #1 |
| V39 - McDonald Observatory-LCO ELP B |
| V40 - Divine Creation Observatory, Fort Davis |
| V41 - Rapid City |
| V42 - Dimension Point, Mayhill |
| V43 - Chiricahua Skies Observatory, Sunizona |
| V44 - Coyote Watcher, Pie Town |
| V54 - Observatoire LAURIER, El Marques |
| V58 - Medina Dome, Medina |
| V59 - Millwood Observatory, Comfort |
| V60 - Putman Mountain Observatory |
| V61 - Shed of Science South, Pontotoc |
| V62 - Live Oak Observatory, Pontotoc |
| V63 - Tara Observatory, Cherokee |
| V70 - Starry Night Observatory, Columbus |
| V72 - JDP Observatory, Omaha |
| V74 - Katy Observatory, Katy |
| V78 - Spirit Marsh Observatory. Sauk Centre |
| V81 - Fayetteville |
| V83 - Rolling Hills Observatory, Warrensburg |
| V86 - Rattle Snake Observatory, Sedalia |
| V88 - River Ridge Observatory, Conway |
| V92 - White County Observatory, Searcy |
| V93 - Pin Oak Observatory, Fort Madison |
| V94 - Cherokeeridge Observatory, Fort Madison |
| W04 - Mark Evans Observatory, Bloomington |
| W08 - Jimginny Observatory, Naperville |
| W09 - Willowed Plains Observatory, Manteno |
| W11 - Northwest Indiana Robotic Telescope, Lowell |
| W13 - Star Quarry Observatory, Bedford |
| W14 - Harvest |
| W15 - Wayne Observatory, Franklin |
| W16 - Pleasant Groves Observatory |
| W17 - Arrowhead, Sheridan |
| W18 - Red Fox Observatory, Pendleton |
| W19 - Kalamazoo |
| W22 - WestRock Observatory, Columbus |
| W23 - Hevonen Farm Observatory, Oxford |
| W24 - Shamrock Banks Observatory, Clare |
| W25 - RMS Observatory, Cincinnati |
| W28 - Ex Nihilo Observatory, Winder |
| W29 - Adena Brook Observatory, Columbus |
| W30 - Georgia College Observatory, Milledgeville |
| W31 - Deerlick Observatory, Crawfordville |
| W32 - Crawfordville Observatory |
| W33 - Transit Dreams Observatory, Campobello |
| W34 - Squirrel Valley Observatory, Columbus |
| W35 - Buffalo Creek Observatory, Nahunta |
| W38 - Dark Sky Observatory, Boone |
| W42 - Mind's Eye Observatory, Vero Beach |
| W46 - Foxfire Village |
| W48 - BKH Observatory, Chapel Hill |
| W49 - CBA-MM Observatory, Mountain Meadows |
| W50 - Apex |
| W51 - Custer Institute and Observatory |
| W52 - US Naval Academy Hopper Hall Observatory |
| W53 - Hagerstown |
| W54 - Mark Slade Remote Observatory, Wilderness |
| W55 - Natelli Observatory, Frederick |
| W56 - Pineapple Observatory, Frederick |
| W57 - ESA TBT La Silla Observatory |
| W58 - ALPHA Observatory, South Laurel |
| W59 - The Dark Side Observatory, Weatherly |
| W60 - AstroExplor Observatory, Tinjaca |
| W61 - Leeside Observatory, Elgin |
| W62 - Comet Hunter Observatory2, New Ringgold |
| W63 - Observatorio Astronomico UTP, Pereira |
| W64 - Red Lion Observatory, Southampton Twsp |
| W65 - Observatoire GOZ, Montpellier |
| W66 - SVH Observatory, Blairstown |
| W67 - Paul Robinson Observatory, Voorhees State Park |
| W68 - ATLAS Chile, Rio Hurtado |
| W69 - OLPH Observatory, Brooklyn |
| W70 - Loose Goose Observatory, Saint-Jerome |
| W71 - Rand II Observatory, Lake Placid |
| W72 - Trumbull Observatory, Trumbull |
| W73 - Observatorio Astronomico de Moquegua, Carumas |
| W74 - Danish Telescope, La Silla |
| W75 - SPECULOOS-South Observatory, Paranal |
| W76 - CHILESCOPE Observatory, Rio Hurtado |
| W77 - Skyledge Observatory, Killingworth |
| W78 - Clay Telescope, Harvard University |
| W79 - Cerro Tololo-LCO Aqawan B #1 |
| W80 - Westwood |
| W81 - Nebula Knoll Observatoy, East Wakefield |
| W82 - Mendel Observatory, Merrimack College |
| W83 - Whitin Observatory, Wellesley |
| W84 - Cerro Tololo-DECam |
| W85 - Cerro Tololo-LCO A |
| W86 - Cerro Tololo-LCO B |
| W87 - Cerro Tololo-LCO C |
| W88 - Slooh.com Chile Observatory, La Dehesa |
| W89 - Cerro Tololo-LCO Aqawan A #1 |
| W90 - Phillips Exeter Academy Grainger Observatory |
| W91 - VHS-VISTA, Cerro Paranal |
| W92 - MASTER-OAFA Observatory, San Juan |
| W93 - Korea Microlensing Telescope Network-CTIO |
| W94 - MAP, San Pedro de Atacama |
| W95 - Observatorio Panameno, San Pedro de Atacama |
| W96 - CAO, San Pedro de Atacama (since 2013) |
| W97 - Atacama Desert Observatory, San Pedro de Atacama |
| W98 - Polonia Observatory, San Pedro de Atacama |
| W99 - SON, San Pedro de Atacama Station |
| X00 - Observatorio Astronomico Tolar |
| X01 - Observatory Hurtado, El Sauce |
| X02 - Telescope Live, El Sauce |
| X03 - Observatoire SADR, Poroto |
| X04 - MCD Observatory, Saint-Anaclet |
| X05 - Simonyi Survey Telescope, Rubin Observatory |
| X06 - Skygems Chile, Rio Hurtado |
| X07 - iTelescope Deep Sky Chile, Rio Hurtado |
| X08 - ShAO Chile station, El Sauce |
| X09 - Deep Random Survey, Rio Hurtado |
| X10 - OVTLN, San Pedro de Atacama |
| X11 - VLT Survey Telescope, Paranal |
| X12 - Observatorio Los Cabezones |
| X13 - Observatorio Remoto Bosque Alegre |
| X14 - Observatorio Orbis Tertius, Cordoba |
| X15 - ABYO, San Pedro de Atacama |
| X16 - Astronomia Sigma Octante, Cochabamba |
| X17 - BlackGEM |
| X18 - 6R-POL2, San Pedro de Atacama |
| X19 - Santel Observatory, El Leoncito |
| X31 - Galileo Galilei Observatory, Oro Verde |
| X33 - OARU, Manaus |
| X38 - Observatorio Pueyrredon, La Lonja |
| X39 - Observatorio Antares, Pilar |
| X40 - Cielos de Banfield, Banfield |
| X50 - Observatorio Astronomico de Montevideo |
| X57 - Polo Astronomico CMF,Foz do Iguacu |
| X60 - Guaraciaba Observatory |
| X70 - Observatorio OATU, Tupi Paulista |
| X72 - Waccobs, Sao Leopoldo |
| X74 - Observatorio Campo dos Amarais |
| X77 - Centro Astron. Nevoeiro, Antonio Olinto |
| X86 - Ottoservatorio, Tatui |
| X87 - Dogsheaven Observatory, Brasilia |
| X88 - Observatorio Adhara, Sorocaba |
| X89 - Rocca Observatory, Brasilia |
| X90 - Carina Observatory, Brasilia |
| X91 - Orion-Colesanti observatory, Mairinque |
| X93 - Munhoz Observatory |
| Y00 - SONEAR Observatory, Oliveira |
| Y01 - SONEAR 2 Observatory, Belo Horizonte |
| Y05 - SONEAR Wykrota-CEAMIG, Serra da Piedade |
| Y16 - ROCG, Campos dos Goytacazes |
| Y28 - OASI, Nova Itacuruba |
| Y40 - Discovery Observatory, Caruaru |
| Y64 - Transient Survey Telescope (TST), Teide |
| Y65 - Two-Meter Twin Telescope, TTT1, Teide |
| Y66 - Two-Meter Twin Telescope, TTT2, Teide |
| Y67 - High Atlas Window to the Kosmos,Oukaimeden |
| Y70 - ApolloIV5, Fregenal de la Sierra |
| Y75 - Abraham Zacut, Salamanca |
| Y78 - Tros Alt |
| Y79 - Observatoire de la grande vallee |
| Y80 - Brenehuen, Grand-Champ |
| Y81 - Forthimage, Edinburgh |
| Y82 - LPMR Observatory, Broad Chalke |
| Y83 - Observatorio Arcosur, Zaragoza |
| Y84 - Observatoire de Saint Domineuc |
| Y85 - Magalofes Observatory, Fene |
| Y86 - Observatorio de Seron |
| Y87 - Trevinca Skies-Amalthea, Trevinca |
| Y88 - ASERO, Valdin |
| Y89 - Proxima Centauri Observatory, Valdin |
| Y90 - Observatorio ESTELIA, Ladines |
| Y91 - Ras Algethi, Ronda |
| Y92 - JD Cassini, Piconcillo |
| Y93 - Observatorio Azahar, Valoria la Buena |
| Y94 - LCB Lugueros observatory, Valdelugueros |
| Y95 - Pradillos Ferez |
| Y96 - Observatorio de Vega del Codorno |
| Y97 - Bommes Observatory, Bommes |
| Y98 - Southside Observatory, Steeple Aston |
| Y99 - Observatorio del Lucero del Alba |
| Z00 - BOOTES-1, Mazagon |
| Z01 - OWL-Net, Oukaimeden |
| Z02 - HAO observatory, Oukaimeden |
| Z03 - Rio Cofio, Robledo de Chavela |
| Z04 - MAO, Ain Laqsab |
| Z05 - Observatorio Horus, Cartama |
| Z06 - Marina Sky, Nerpio |
| Z07 - Ad Astra Sangos Observatory, Alhendin |
| Z08 - Telescope Live, Oria |
| Z09 - Old Orchard Observatory, Fiddington |
| Z10 - PGC, Fregenal de la Sierra |
| Z11 - Appledorne Observatory, Farnsfield |
| Z12 - La Romaneta, Monovar |
| Z13 - Observatorio AGP GUAM 4, Malaga |
| Z14 - ART, Fregenal de la Sierra |
| Z15 - Southwater |
| Z16 - Asociacion Astronomica de Cartagena |
| Z17 - Tenerife-LCO Aqawan A #2 |
| Z18 - Gran Telescopio Canarias, Roque de los Muchachos |
| Z19 - La Palma-TNG |
| Z20 - La Palma-MERCATOR |
| Z21 - Tenerife-LCO Aqawan A #1 |
| Z22 - MASTER-IAC Observatory, Tenerife |
| Z23 - Nordic Optical Telescope, La Palma |
| Z24 - Tenerife Observatory-LCO B, Tenerife |
| Z25 - Artemis Observatory, Teide |
| Z26 - Observatorio Astronomico Arcangel, Las Zocas |
| Z27 - Observatorio Coralito, La Laguna |
| Z28 - Northern Skygems Observatory, Nerpio |
| Z29 - Observatorio Astronomico Sobradillo |
| Z30 - Glyn Marsh Observatory, Douglas |
| Z31 - Tenerife Observatory-LCO A, Tenerife |
| Z32 - Observatorio Astrofisico de Javalambre |
| Z33 - 6ROADS Observatory 2, Nerpio |
| Z34 - NNHS Drummonds Observatory |
| Z35 - OAO University Observatory Station Aras |
| Z36 - Cancelada |
| Z37 - Northolt Branch Observatory 3, Blandford Forum |
| Z38 - Picoto Observatory, Leiria |
| Z39 - Observatorio Costa Teguise |
| Z40 - El Manzanillo Observatory, Puerto de la Torre |
| Z41 - Irydeo Observatory, Camarma de Esteruelas |
| Z42 - Rushay Farm Observatory, Sturminster Newton |
| Z43 - Landehen |
| Z44 - Observatorio Terminus, A Coruna |
| Z45 - Cosmos Observatory, Marbella |
| Z46 - Cardiff |
| Z47 - Runcorn |
| Z48 - Northolt Branch Observatory 2, Shepherd's Bush |
| Z49 - Alston Observatory |
| Z50 - Mazariegos |
| Z51 - Anunaki Observatory, Rivas Vaciamadrid |
| Z52 - The Studios Observatory, Grantham |
| Z53 - TRAPPIST-North, Oukaimeden |
| Z54 - Greenmoor Observatory, Woodcote |
| Z55 - Uraniborg Observatory, Ecija |
| Z56 - Knocknaboola |
| Z57 - Observatorio Zuben, Alhaurin de la Torre |
| Z58 - ESA TBT Cebreros Observatory |
| Z59 - Chelford Observatory |
| Z60 - Observatorio Zaldibia |
| Z61 - Montecanal Observatory, Zaragoza |
| Z62 - Observatorio Forcarei |
| Z63 - Skybor Observatory, Borja |
| Z64 - Observatorio el Miron del Cielo |
| Z65 - Observatorio Astronomico Corgas |
| Z66 - DeSS Deimos Sky Survey, Niefla Mountain |
| Z67 - Dunboyne Castle Observatory |
| Z68 - Observatorio Torreaguila, Barbano |
| Z69 - Observatorio Mazagon Huelva |
| Z70 - Ponferrada |
| Z71 - Observatorio Norba Caesarina, Aldea Moret |
| Z72 - Cademuir Observatory, Dalkey |
| Z73 - Observatorio Nuevos Horizontes, Camas |
| Z74 - Amanecer de Arrakis |
| Z75 - Observatorio Sirius, Las Lomas |
| Z76 - Observatorio Carda, Villaviciosa |
| Z77 - Osuna |
| Z78 - Arroyo Observatory, Arroyo Hurtado |
| Z79 - Calar Alto TNO Survey |
| Z80 - Northolt Branch Observatory |
| Z81 - Observatorio Estrella de Mar |
| Z82 - BOOTES-2 Observatory, Algarrobo |
| Z83 - Chicharronian 3C Observatory, Tres Cantos |
| Z84 - Calar Alto-Schmidt |
| Z85 - Observatorio Sierra Contraviesa |
| Z86 - St. Mellons |
| Z87 - Stanley Laver Observatory, Pontesbury |
| Z88 - Fosseway Observatory, Stratton-on-the-Fosse |
| Z89 - Macclesfield |
| Z90 - Albox |
| Z91 - Curdridge |
| Z92 - Almalex Observatory, Leeds |
| Z93 - Observatorio Polop, Alicante |
| Z94 - Kempshott |
| Z95 - Astronomia Para Todos Remote Observatory |
| Z96 - Observatorio Cesaraugusto |
| Z97 - OPERA Observatory, Saint Palais |
| Z98 - Observatorio TRZ, Betera |
| Z99 - Clixby Observatory, Cleethorpes |