Observatories are locations used for observing terrestrial and/or celestial events. Observatory codes are assigned by the International Astronomical Union for use in cataloguing observational data by the Minor Planet Center. The following is a list of observatory codes (links in italics are not part of the IAU listing itself; diacriticals were added):
- 000: Greenwich (Royal Observatory, Greenwich)
- 001: Crowborough (Isaac Roberts)
- 002: Rayleigh
- 003: Montpellier
- 004: Toulouse Observatory
- 005: Meudon (Paris Observatory)
- 006: Fabra Observatory, Barcelona
- 007: Paris Observatory
- 008: Algiers-Bouzareah (Algiers Observatory)
- 009: Berne-Uecht (Solar Observatory at Uecht)
- 010: Caussols (Centre de recherches en géodynamique et astrométrie)
- 011: Wetzikon
- 012: Uccle (Observatoire Royal de Belgique)
- 013: Leiden Observatory
- 014: Marseilles Observatory
- 015: Utrecht (Sonnenborgh Observatory)
- 016: Besançon Observatory
- 017: Hoher List Observatory
- 018: Dusseldorf-Bilk (Bilk Observatory)
- 019: Neuchâtel Observatory
- 020: Nice Observatory
- 021: Karlsruhe (Black Forest Observatory)
- 022: Pino Torinese (Turin Observatory)
- 023: Wiesbaden
- 024: Heidelberg-Königstuhl Observatory
- 025: Stuttgart Observatory
- 026: Berne-Zimmerwald (Zimmerwald Observatory)
- 027: Milan (Osservatorio Astronomico di Brera)
- 028: Wurzburg
- 029: Hamburg-Bergedorf (Hamburg Observatory)
- 030: Arcetri Observatory, Florence (Osservatorio Astrofisico di Arcetri)
- 031: Sonneberg Observatory
- 032: Jena Observatory
- 033: Karl Schwarzschild Observatory, Tautenburg
- 034: Monte Mario Observatory, Rome
- 035: Copenhagen (Copenhagen University Observatory)
- 036: Castel Gandolfo (Vatican Observatory)
- 037: Collurania Observatory, Teramo
- 038: Trieste Observatory
- 039: Lund Observatory
- 040: Lohrmann Institute, Dresden
- 041: Innsbruck Observatory
- 042: Potsdam Observatory
- 043: Asiago Astrophysical Observatory, Padua (Osservatorio Astronomico di Asiago)
- 044: Capodimonte Observatory, Naples
- 045: Vienna Observatory (since 1879)
- 046: Kleť Observatory, Ceske Budejovice
- 047: Poznan Observatory
- 048: Hradec Králové Observatory
- 049: Uppsala-Kvistaberg (Kvistaberg Observatory)
- 050: Stockholm Observatory (before 1931)
- 051: Cape (Royal Observatory at the Cape of Good Hope)
- 052: Stockholm-Saltsjöbaden (Saltsjöbaden Observatory)
- 053: Konkoly Observatory, Budapest (since 1934)
- 054: Brorfelde Observatory
- 055: Cracow (Krakow Observatory)
- 056: Skalnaté Pleso Observatory
- 057: Belgrade Observatory
- 058: Kaliningrad (Koenigsberg Observatory)
- 059: Lomnický Štít
- 060: Warsaw-Ostrowik (Warsaw University Observatory)
- 061: Uzhgorod
- 062: Turku Observatory
- 063: Turku-Tuorla (Tuorla Observatory)
- 064: Turku-Kevola
- 065: Traunstein
- 066: Athens (National Observatory of Athens)
- 067: Lvov University Observatory
- 068: Lvov Polytechnic Institute
- 069: Baldone, near Riga
- 070: Vilnius Observatory (before 1939)
- 071: Smolyan Observatory
- 072: Scheuren Observatory
- 073: Bucharest
- 074: Boyden Observatory, Bloemfontein
- 075: Tartu Observatory
- 076: Johannesburg-Hartbeespoort
- 077: Yale-Columbia Station, Johannesburg (Yale University Observatory)
- 078: Johannesburg (South African Astronomical Observatory)
- 079: Radcliffe Observatory, Pretoria
- 080: Istanbul
- 081: Leiden Station, Johannesburg (Leiden Observatory)
- 082: St. Polten
- 083: Golosseevo-Kiev
- 084: Pulkovo
- 085: Kiev
- 086: Odessa
- 087: Helwan
- 088: Kottomia
- 089: Nikolaev
- 090: Mainz
- 091: Observatoire de Nurol, Aurec sur Loire
- 092: Torun-Piwnice (Piwnice radio observatory)
- 093: Skibotn
- 094: Crimea-Simeis
- 095: Crimea-Nauchnij
- 096: Merate
- 097: Wise Observatory, Mitzpeh Ramon
- 098: Asiago Observatory, Cima Ekar
- 099: Lahti
- 100: Ahtari
- 101: Kharkov
- 102: Zvenigorod
- 103: Ljubljana
- 104: San Marcello Pistoiese (Pistoia Mountains Astronomical Observatory)
- 105: Moscow
- 106: Crni Vrh Observatory
- 107: Cavezzo
- 108: Montelupo (Osservatorio di 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 (Modra Observatory)
- 119: Abastuman
- 120: Visnjan Observatory
- 121: Kharkov University, Chuguevskaya Station
- 122: Pises Observatory
- 123: Byurakan
- 124: Castres
- 125: Tbilisi
- 126: Monte Viseggi
- 127: Bornheim
- 128: Saratov
- 129: Ordubad
- 130: Lumezzane
- 131: Observatoire de l'Ardèche
- 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, Réunion
- 174: Nyrola Observatory, Jyvaskyla
- 175: F.-X. Bagnoud Observatory, St-Luc (Bagnoud Observatory)
- 176: Observatori Astronomic de Consell (Consell Observatory)
- 177: Le Cres
- 178: Collonges
- 179: Monte Generoso
- 180: Mauguio
- 181: Observatoire des Makes, Saint-Louis
- 182: St. Paul, Réunion
- 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: 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 Côte 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: Michael Adrian Observatory, Trebur
- 240: Herrenberg Sternwarte
- 241: Schaerding
- 242: Varennes
- 243: Umbrella Observatory
- 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: Evpatoria
- 256: Green Bank
- 260: Siding Spring Observatory-DSS
- 261: Palomar Mountain-DSS
- 262: European Southern Observatory, La Silla-DSS (La Silla Observatory)
- 286: Yunnan Observatory
- 290: Mt. Graham-VATT (Vatican Advanced Technology Telescope)
- 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 (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: Merida
- 304: Las Campanas Observatory
- 305: Purple Mountain, Hainan Island station
- 306: Observatorio Taya Beixo, Barquisimeto
- 309: Cerro Paranal (Paranal Observatory)
- 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: 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, near Canberra
- 416: Barton, near Canberra
- 417: Yanagida Astronomical Observatory
- 418: Tamworth
- 419: Windsor
- 420: Sydney
- 421: Mt. Kajigamori, Otoyo
- 422: Loomberah
- 423: North Ryde
- 424: Macquarie, near Canberra
- 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
- 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: Observatori d'Ontinyent
- 446: Kingsnake Observatory
- 447: Centennial Observatory
- 448: Desert Moon Observatory, Las Cruces
- 449: Griffin Hunter Observatory
- 450: Carla Jane Observatory, Charlotte
- 451: West Skies Observatory, Mulvane
- 452: Big Cypress Observatory
- 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: Szeged University, 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 Observatory (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 Observatory
- 494: Stakenbridge
- 495: Altrincham
- 496: Bishopstoke
- 497: Ascot-Loudwater
- 498: Northampton
- 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: Observatoire de 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: Bamberg
- 522: Observatory of 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 (Berlin Observatory)
- 537: Urania Observatory, Berlin
- 538: Pola
- 539: Kremsmunster
- 540: Linz
- 541: Prague Observatory
- 542: Falkensee
- 543: Leipzig (before 1861)
- 544: Wilhelm Foerster Observatory, Berlin
- 545: Vienna Observatory (before 1879)
- 546: Oppolzer Observatory, Vienna
- 547: Breslau
- 548: Berlin (1835-1913)
- 549: Uppsala (Uppsala Astronomical Observatory)
- 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: Ondřejov Observatory
- 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: Mauna Kea Observatory
- 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: Odessa-Mayaki
- 584: Leningrad
- 585: Kiev comet station
- 586: Pic du Midi
- 587: Sormano
- 588: Eremo di Tizzano
- 589: Osservatorio Astrometrico 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 Forêt
- 618: Martigues
- 619: Sabadell
- 620: Observatorio Astronomico de Mallorca
- 621: Bergisch Gladbach Observatory
- 622: Oberwichtrach
- 623: Liege
- 624: Dertingen
- 625: Kihei-AMOS Remote Maui Experimental Site
- 626: Geel
- 627: Blauvac
- 628: Mulheim-Ruhr
- 629: JATE Observatory, Szeged
- 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: National Research Council of Canada (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, AZ
- 686: U. of Minn. Infrared Obs., Mt. Lemmon (Mount Lemmon)
- 687: Northern Arizona University, Flagstaff
- 688: Lowell Observatory, Anderson Mesa Station (Anderson Mesa)
- 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 National Observatory
- 696: Whipple Observatory, Mt. Hopkins (Fred Lawrence Whipple Observatory)
- 697: Kitt Peak, McGraw-Hill
- 698: Mt. Bigelow
- 699: Lowell Observatory-LONEOS (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: University of Utah, 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: Glasgow, Missouri
- 746: Brooks Observatory, Mt. Pleasant
- 747: Baton Rouge 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
- 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 (CWKR)
- 764: Puckett Observatory, Stone Mountain
- 765: Cincinnati
- 766: Michigan State University Obs., East Lansing
- 767: Ann Arbor
- 768: Dearborn
- 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: U. of Rhode Island, Quonochontaug
- 793: Dudley Observatory, Albany (before 1893)
- 794: Vassar College Observatory, Poughkeepsie
- 795: Rutherford
- 796: Stamford
- 797: Yale Observatory, New Haven (Yale University Observatory)
- 798: Yale Observatory, Bethany (Yale University Observatory)
- 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 (Cerro Tololo Inter-American Observatory)
- 808: El Leoncito
- 809: European Southern Observatory, La Silla (La Silla Observatory)
- 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: Gémeaux 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: Los Molinos
- 845: Ford Observatory, Ithaca
- 846: Principia Astronomical Observatory, Elsah
- 847: Lunar Cafe Observatory
- 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: 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 Cégep de Trois-Rivières
- 925: Palominas Observatory
- 926: Tenagra II Observatory
- 927: Madison-YRS
- 928: Moonedge Observatory, Northport
- 929: Port Allen
- 930: Tahiti
- 931: Punaauia
- 932: John J. McCarthy Obs., New Milford
- 933: Rockland Observatory, Sierra Vista
- 934: Poway Valley
- 935: Wyrick Observatory, Haymarket
- 936: Ibis Observatory, Manhaatan
- 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 Observatory
- 947: Saint-Sulpice
- 948: Pymoor
- 949: Durtal
- 950: La Palma
- 951: Highworth
- 952: Marxuquera
- 953: Montjoia
- 954: Teide Observatory (Observatorio del Teide)
- 955: Sassoeiros
- 956: Observatorio Pozuelo
- 957: Merignac
- 958: Observatoire de Dax
- 959: Ramonville Saint Agne
- 960: Rolvenden
- 961: City Observatory, 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
- 975: 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: Archallagan Observatory
- 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 (University of London Observatory)
- 999: Bordeaux-Floirac
- A00: Clark Observatory, Gravesend
- A01: Masia Cal Maciarol Modul 1
- A02: Masia Cal Maciarol Modul 8
- A03: Torredembarra
- A04: Saint-Caprais
- A05: Belesta
- A06: Mataro
- A07: Gretz-Armainvilliers
- A08: Malibert
- A09: Quincampoix
- A10: Observatori Astronomic de Corbera
- A11: Wormhout
- A12: Stazione Astronomica di Sozzago
- A13: Observatoire Naef, Marly
- 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
- 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: Odessa Astronomical Observatory, Kryzhanovka
- A86: Albigneux
- A87: Rimbach
- A88: Bolzaneto
- A89: Sterni Observatory, Kempten
- A90: Sant Gervasi Observatory, Barcelona
- A91: Hankasalmi Observatory, Muurame
- B05: Ka-Dar Observatory, Barybino
- B18: Terskol
- D14: Nanchuan Observatory, Guangzhou
- D17: Hong Kong
- D21: Shenton Park
- D35: Lulin Observatory
- D55: Kangwon Science High School Observatory, Ksho
- D70: Tosa
- D74: Nakagawa
- D82: Wallaroo
- D83: Miwa
- D84: Hallet Cove
- D85: Ingle Farm
- D86: Penwortham
- D87: Brooklyn Park
- D88: Hiratsuka
- D89: Yamagata
- D91: Adati
- E01: South Yarra
- E04: Pacific Sky Observatory, Saipan
- E12: Siding Spring Survey
- E13: Wanniassa
- E14: Hunters Hill Observatory, Ngunnawal
- E15: Magellan Observatory, near Goulburn
- E16: Grove Creek Observatory, Trunkey
- E17: Leura
- E19: Kingsgrove
- E21: Norma Rose Observatory, Leyburn
- E25: Rochedale (APTA)
- F60: Ironwood North Observatory, Hawaii
- F65: Haleakala-Faulkes Telescope North (Haleakala Observatory)
- G57: Dilbert Observatory, Forest Grove
- G59: Maiden Lane Obs., Bainbridge Island
- G61: Pleasanton
- G63: Mill Creek Observatory, The Dalles
- G64: Blue Canyon Observatory
- G65: Vulcan North, Lick Observatory, Mount Hamilton
- G66: Lake Forest Observatory, Forest Hills
- G70: Francisquito Observatory, Los Angeles
- G71: Rancho Palos Verdes
- G72: University Hills
- G73: Mount Wilson-TIE
- G74: 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
- G88: LAMP Observatory, New River
- G89: Kachina Observatory, Flagstaff
- G90: Three Buttes Observatory, Tucson
- G91: Whipple Observatory, Mt. Hopkins--2MASS(Fred Lawrence Whipple Observatory)
- G92: Jarnac Observatory, Vail
- G93: Sonoita Research Observatory, Sonoita
- G94: Sonoran Skies Observatory, St. David
- G95: Hereford Arizona Observatory, Hereford
- G96: Mt. Lemmon Survey (Mount Lemmon)
- G98: Calvin-Rehoboth Observatory, Rehoboth
- G99: NF Observatory, Silver City
- H02: Sulphur Flats Observatory, La Cueva
- H03: Sandia View Observatory, Rio Rancho
- H04: Santa Fe
- H05: Edmund Kline Observatory, Deer Trail
- H06: New Mexico Skies Observatory
- H07: 7300 Observatory, Cloudcroft
- H09: Antelope Hills Observatory, Bennett
- H29: Ivywood Observatory, Edmond
- 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: Petit Jean Mountain South
- H47: Vicksburg
- H51: Greiner Research Observatory, Verona
- H54: Cedar Drive Observatory, Pulaski
- H55: Antares Obseratory, Charleston
- H59: Prairie Grass Observatory, Camp Cullom
- H62: Calvin College Observatory
- H63: DeKalb Observatory, Auburn
- H65: Waltonfields Observatory, Walton
- H66: Yellow Springs
- H67: Stonegate Observatory, Ann Arbor
- H69: Ohio Wesleyan University
- H70: Asheville
- H72: Evelyn L. Egan Observatory, Fort Myers
- H74: Bar J Observatory, New Smyrna Beach
- H76: Oakridge Observatory, Miami
- H77: Buehler Observatory
- H79: York University Observatory, Toronto
- H84: Northview Observatory, Mendon
- H85: Silver Spring
- H86: CBA-East Observatory, Laurel
- H88: Hope Observatory, Belcamp
- H89: Galaxy Blues Observatory, Gatineau
- H91: Reynolds Observatory, Potsdam
- H92: Arcturus Observatory
- H93: Berkeley Heights
- H96: Observatoire des Pléiades, Mandeville
- H97: Talcott Mountain Science Center, Avon
- H98: Dark Roseanne Obs., Middlefield
- I00: Carbuncle Hill Observatory, Coventry
- I01: Clay Center Observatory, Brookline
- I02: Cerro Tololo Observatory, La Serena--2MASS (Cerro Tololo Inter-American Observatory)
- I03: European Southern Obs., La Silla--ASTROVIRTEL (La Silla Observatory)
- I04: Mamalluca Observatory
- I05: Las Campanas Observatory-TIE
- I06: Werner Schmidt Obs., Dennis-Yarmouth Regional HS
- I10: CAOS-CampoCatino Austral Observatory Survey
- I30: Observatorio Geminis Austral
- I31: Observatorio Astronomico del Colegio Cristo Rey
- I37: Astrodomi Observatory, Santa Rita
- I77: CEAMIG-REA Observatory, Belo Horizonte
- J50: La Palma-NEON
- J55: Los Altos de Arguineguin Observatory
- J56: Observatorio La Avejerilla
- 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 Cañada Observatory
- 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: Aras
- J97: Alginet
- J98: Observatorio Manises
- J99: Burjassot
See also
External links
Astronomical observatories