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 Cape
052 Stockholm-Saltsjobaden
053 Konkoly Observatory, Budapest (since 1934)
054 Brorfelde
055 Cracow
056 Skalnate Pleso
057 Belgrade
058 Kaliningrad
059 Lomnicky Stit
060 Warsaw-Ostrowik
061 Uzhgorod
062 Turku
063 Turku-Tuorla
064 Turku-Kevola
065 Traunstein
066 Athens
067 Lvov University Observatory
068 Lvov 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 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
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
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 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'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 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 Evpatoria
256 Green Bank
257 Goldstone DSS 25, Fort Irwin
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
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
309 Cerro Paranal
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 Ascot-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 Mauna Kea
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 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 National Research Council of Canada
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
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
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 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 Southern Stars Observatory, 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, 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, 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 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, 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 (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 Odessa 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 Taurus-1 Observatory, 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 Evpatoria
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
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 MPC1 Cassia Observatory, La Giustiniana
C46 Horizon Observatory, Petropavlovsk
C47 Nonndorf
C48 Sayan Solar Observatory, Irkutsk
C49 STEREO-A
C50 STEREO-B
C51 WISE
C52 Swift
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 ISON-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
D14 Nanchuan Observatory, Guangzhou
D16 Po Leung Kuk Observatory, Tuen Mun
D17 Hong Kong
D18 Mt. Guizi Observatory
D19 Hong Kong Space Museum, Tsimshatsui
D20 Zadko Observatory, Wallingup Plain
D21 Shenton Park
D22 UWA Observatory, Crawley
D24 LightBuckets Observatory, Pingelly
D25 Tzec Maun Observatory, Pingelly (before 2010)
D29 Purple Mountain Observatory, XuYi Station
D32 JiangNanTianChi Observatory, Mt. Getianling
D33 Kenting Observatory, Checheng
D34 Kenting Observatory, Hengchun
D35 Lulin Observatory
D36 Tataka, Mt. Yu-Shan National Park
D39 Shandong University Observatory, Weihai
D44 Ishigakijima Astronomical Observatory
D53 ISON-Blagovechensk 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
D61 Suntopia Marina, Sumoto
D62 Miyaki-Argenteus
D70 Tosa
D74 Nakagawa
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