We want to express gratitude to the international observatories:
000: Greenwich, England, UK (Royal Observatory, Greenwich)
001: Crowborough, England, UK (Isaac Roberts)
002: Rayleigh, Chelmsford borough, Essex, England (Observatory Raleigh)
003: Montpellier, France (Observatoire de la Babote)
004: Toulouse, France (Observatoire de Toulouse)
005: Meudon, France (Observatoire de Paris-Meudon)
006: Fabra Observatory, Barcelona, Spain (Observatori Fabra)
007: Paris, France (Observatoire de Paris)
008: Algiers-Bouzareah, Algeria (CRAAG: Centre de Recherche en Astronomie, Astrophysique et Geophysique)
009: Berne-Uecht, Switzerland (Sternwarte Uecht, Solar Observatory at Uecht)
010: Caussols, France (CERGA: Centre de recherches en geodynamique et astrometrie)
011: Wetzikon, Switzerland (Sternwarte Wetzikon)
012: Uccle, Belgium (Observatoire Royal de Belgique/Koninklijke Sterrenwacht van Belgie)
013: Leiden, Netherlands (Sterrewacht Leiden)
014: Marseilles, France (Observatoire de Marseille)
015: Utrecht, Netherlands (Museum Sterrenwacht Sonnenborgh)
016: Besancon, France (Observatoire de Besancon)
017: Hoher List, Germany (Observatorium Hoher List)
018: Dusseldorf-Bilk, Germany (Sternwarte Bilk)
019: Neuchatel, Switzerland (Observatoire Cantonal de Neuchatel)
020: Nice, France (Observatoire de Nice)
021: Karlsruhe, Germany (Sternwarte Karlsruhe)
022: Pino Torinese, Italy (Osservatorio Astronomico di Torino)
023: Wiesbaden, Germany (Sternwarte Wiesbaden)
024: Heidelberg-Konigstuhl, Germany (Landessternwarte Heidelberg-Konigstuhl)
025: Stuttgart, Germany (Sternwarte Stuttgart)
026: Berne-Zimmerwald, Switzerland (Observatorium Zimmerwald)
027: Milan, Italy (Osservatorio Astronomico di Brera)
028: Wurzburg, Germany (Sternwarte der Universitat Wurzburg)
029: Hamburg-Bergedorf, Germany (Hamburger Sternwarte)
030: Arcetri Observatory, Florence, Italy (Osservatorio Astrofisico di Arcetri)
031: Sonneberg, Germany (Sternwarte Sonneberg)
032: Jena, Germany (Astrophysikalisches Institut und Universitats-Sternwarte Jena)
033: Karl Schwarzschild Observatory, Tautenburg, Germany (Karl-Schwarzschild-Observatorium)
034: Monte Mario Observatory, Rome, Italy (Osservatorio Astronomico di Roma Sede di Monte Mario)
035: Copenhagen (Copenhagen University Observatory, Kobenhavns Universitet Astronomisk Observatorium), Denmark
036: Castel Gandolfo, Vatican City (Specola Vaticana)
037: Collurania Observatory, Teramo, Italy (Osservatorio Astronomico di Collurania-Teramo)
038: Trieste, Italy (Osservatorio Astronomico di Trieste)
039: Lund, Sweden (Lunds Universitet Institutionen for astronomi, Lund Observatory)
040: Lohrmann Institute, Dresden, Germany
041: Innsbruck, Austria (Universitats-Sternwarte Innsbruck)
042: Potsdam, Germany (Einstein Tower)
043: Asiago Astrophysical Observatory, Padua, Italy (Osservatorio Astrofisico di Asiago)
044: Capodimonte Observatory, Naples, Italy (Osservatorio Astronomico di Capodimonte)
045: Vienna (since 1879), Austria (Universitats-Sternwarte Wien)
046: Klet Observatory, Ceske Budejovice, Czech Republic (Hvezdarna Klet)
047: Poznan, Poland (Obserwatorium Astronomiczne Uniwersytet im. Adama Mickiewicza w Poznaniu, Poznan Observatory)
048: Hradec Kralove, Czech Republic (Hvezdarna Hradec Kralove)
049: Uppsala-Kvistaberg, Sweden (Kvistabergs Observatorium)
050: Stockholm (before 1931), Sweden (Stockholms observatorium)
051: Cape, South Africa (Royal Observatory at the Cape of Good Hope)
052: Stockholm-Saltsjobaden (since 1931), Sweden (Stockholms observatorium, Saltsjobaden Observatory)
053: Konkoly Observatory, Budapest (since 1934), Hungary (Konkoly Obszervatorium)
054: Brorfelde, Denmark (Brorfelde Observatoriet)
055: Krakow (Cracow), Poland (Krakow Observatory)
056: Skalnate Pleso, Slovakia (Observatorium Skalnate pleso)
057: Belgrade, Serbia (Belgrade Astronomical Observatory (AOB); Астрономске опсерваторије у Београду; Astronomske opservatorije u Beogradu)
058: Konigsberg, German Empire (before 1944)
059: Lomnicky stit (Lomnicky peak, Slovakia)
060: Warsaw-Ostrowik, Poland (Warsaw University Observatory)
061: Uzhgorod, Ukraine
062: Turku, Finland (Iso-Heikkila Observatory, University of Turku; Turun observatorio, Turun yliopisto)
063: Turku-Tuorla, Finland (Tuorla Observatory, University of Turku; Tuorlan observatorio, Turun yliopisto)
064: Turku-Kevola, Finland (Kevola Observatory, University of Turku; Kevolan tahtitorni, Turun yliopisto)
065: Traunstein, Germany
066: Athens, Greece (National Observatory of Athens)
067: Lvov University Observatory, Ukraine
068: Lvov Polytechnic Institute, Ukraine
069: Baldone, near Riga, Latvia
070: Vilno (before 1883), Russian Empire
071: Smolyan, Bulgaria (Bulgarian National Astronomical Observatory - Rozhen, Национална Астрономическа Обсерватория Рожен, a.k.a. Rozhen National Astronomical Observatory)
072: Scheuren Observatory, Germany
073: Bucharest, Romania
074: Boyden Observatory, Bloemfontein, South Africa
075: Tartu, Estonia (Tartu Observatory)
076: Johannesburg-Hartbeespoort, South Africa (Union Observatory Annex, Hartbeespoort)
077: Yale-Columbia Station, Johannesburg, South Africa (Yale-Columbia Southern Station, 1925–1951 [1])
078: Johannesburg, South Africa (Union Observatory)
079: Radcliffe Observatory, Pretoria, South Africa
080: Istanbul, Turkey
081: Leiden Station, Johannesburg, South Africa (Leiden Southern Station, Hartbeespoort)
082: St. Polten , Austria
083: Golosseevo-Kiev, Ukraine
084: Pulkovo Observatory, Russia
085: Kiev, Ukraine
086: Odessa, Ukraine
087: Helwan, Egypt
088: Kottomia, Egypt
089: Nikolaev, Ukraine (Nikolaev Astronomical Observatory)
090: Mainz, Germany
091: Observatoire de Nurol, Aurec sur Loire, France
092: Torun-Piwnice, Poland (Piwnice Obserwatorium Astronomiczne; Piwnice Astronomical Observatory)
093: Skibotn, Norway
094: Crimea-Simeis, Ukraine (Crimean Astrophysical Observatory-Simeis)
095: Crimea-Nauchnij, Ukraine (Crimean Astrophysical Observatory-Nauchnij)
096: Merate, Italy
097: Wise Observatory, Mitzpeh Ramon, Israel
098: Asiago Observatory, Cima Ekar, Italy (Stazione osservativa di Asiago Cima Ekar)
099: Lahti, Finland (Lahti Ursa Observatory; Lahden Ursan tahtitorni)
100: Ahtari, Finland
101: Kharkov, Ukraine (Astronomical Observatory of Kharkov National University, Астрономiчна обсерваторiя Харкiвського нацiонального унiверситету, a.k.a. ХАО, Харкiвська астрономiчна обсерваторiя)
102: Zvenigorod, Russia
103: Ljubljana, Slovenia
104: San Marcello Pistoiese, Italy (Osservatorio Astronomico della Montagna Pistoiese, Pistoia Mountains Astronomical Observatory; a.k.a. Osservatorio di Pian dei Termini, Pian dei Termini Observatory)
105: Moscow, Russia
106: Crni Vrh Observatory, Slovenia (Observatorij Crni Vrh)
107: Cavezzo, Italy (Osservatorio Astronomico "Geminiamo Montanari")
108: Montelupo, Italy (Osservatorio di Montelupo)
109: Algiers-Kouba, Algeria
110: Rostov, Russia
111: Piazzano Observatory, Florence, Italy
112: Pleiade Observatory, Verona, Italy
113: Volkssternwarte Drebach, Schonbrunn, Germany
114: Engelhardt Observatory, Zelenchukskaya Station, Russia (Kazan University Observatory (Обсерватория Казанского Университета); V. P. Engelhardt Astronomical Observatory (Астрономическая Обсерватория им. В. П. Энгельгардта))
115: Zelenchukskaya, Russia (Special Astrophysical Observatory (SAO); Специальная астрофизическая обсерватория (САО))
116: Giesing, Germany (Munchen-Giesing)
117: Sendling, Munich, Germany
118: Astronomical and Geophysical Observatory, Modra, Slovakia (Astronomicke observatorium Modra, Modra Observatory)
119: Abastuman, Georgia
120: Visnjan Observatory, Croatia (Zvjezdarnica Visnjan)
121: Kharkov University, Chuguevskaya Station, Ukraine
122: Pises Observatory, France (Observatoire des Pises)
123: Byurakan, Armenia
124: Castres, France (Observatoire de Castres)
125: Tbilisi, Georgia
126: Monte Viseggi, Italy (Osservatorio Astronomico di Monte Viseggi)
127: Bornheim, Germany
128: Saratov, Russia
129: Ordubad, Azerbaijan
130: Lumezzane (Osservatorio Astronomico "Serafino Zani", Lumezzane, Italy)
131: Observatoire de l'Ardeche, France
132: Bedoin, France (Observatoire de Bedoin)
133: Les Tardieux, France
134: Groszschwabhausen
135: Kasan, Russia
136: Engelhardt Observatory, Kasan, Russia (Kazan University Observatory (Обсерватория Казанского Университета); V. P. Engelhardt Astronomical Observatory (Астрономическая Обсерватория им. В. П. Энгельгардта))
137: Givatayim Observatory, Israel
138: Village-Neuf, France
139: Antibes, France
140: Augerolles, France
141: Hottviller, France (Observatoire de Hottviller)
142: Sinsen, Germany
143: Gnosca, Switzerland (Osservatorio Astronomico di Gnosca)
144: Bray et Lu, France
145: 's-Gravenwezel, Belgium
146: Frignano, Italy
147: Osservatorio Astronomico "Galileo Galilei" di Suno, Italy [2]
148: Guitalens, France (Observatoire de Guitalens)
149: Beine-Nauroy, France
150: Maisons Laffitte, France
151: Eschenberg Observatory, Winterthur, Switzerland (Sternwarte Eschenberg)
152: Moletai Astronomical Observatory, Lithuania (MAO; Moletu astronomijos observatorija)
153: Stuttgart-Hoffeld, Germany
154: Cortina, Italy (Cortina d'Ampezzo, Associazione Astronomica Cortina: Osservatorio Astronomico del Col Druscie "Helmut Ullrich")
155: Ole Romer Observatory, Aarhus
156: Catania Astrophysical Observatory, Sicily, Italy
157: Frasso Sabino (Osservatorio Astronomico Virginio Cesarini - Frasso Sabino, Italy)
158: Promiod (Osservatorio Dalai Lama di Promiod, Italy)
159: Monte Agliale (Osservatorio Astronomico di Monte Agliale, Italy)
160: Castelmartini, Italy
161: Cerrina Tololo Observatory, Italy
162: Potenza, Italy
163: Roeser Observatory, Luxembourg
164: St. Michel sur Meurthe, France
165: Piera Observatory, Barcelona, Spain (Observatori Astronomic de Piera)
166: Upice, Czech Republic (Hvezdarna v Upici)
167: Bulach Observatory, Switzerland
168: Kourovskaya, Russia
169: Airali Observatory, Italy
170: Observatorio de Begues, Spain
171: Flarestar Observatory, San Gwann, Malta
172: Onnens, Switzerland
173: St. Clotilde, Reunion, France (Observatoire Sainte-Clotilde)
174: Nyrola Observatory, Jyvaskyla, Finland (Nyrolan observatorio)
175: F.-X. Bagnoud Observatory, St-Luc, Switzerland (Bagnoud Observatory)
176: Observatorio Astronomico de Consell (Consell Observatory, Majorca, Spain)
177: Le Cres, France
178: Collonges, France
179: Monte Generoso, Switzerland
180: Mauguio, France
181: Observatoire des Makes, Saint-Louis, Reunion, France
182: St. Paul, Reunion, France
183: Starlab Observatory, Karachay-Cherkessia, Russia
184: Valmeca Observatory, Puimichel, France
185: Observatoire Astronomique Jurassien-Vicques, Switzerland
186: Kitab, Mt. Maydanak, Uzbekistan
187: Borowiec Astrogeodynamic Observatory, Borowiec, Poland
188: Majdanak, Uzbekistan
189: Geneva (before 1967), Switzerland
190: Gissar, Tajikistan
191: Dushanbe, Tajikistan
192: Tashkent, Uzbekistan
193: Sanglok, Tajikistan
194: Tivoli, Namibia
195: Untermenzing Observatory, Munich, Germany
196: Homburg-Erbach, Germany
197: Bastia, Italy
198: Wildberg (Observatorium Wildberg, Germany) [3]
199: Buthiers (Observatoire de Buthiers, France)
200: Beersel Hills Observatory
201: Jonathan B. Postel Observatory, Bareggio, Italy
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 (Asiago-DLR Asteroid Survey)
210: Alma-Ata
211: Scandicci
212: Observatorio La Dehesilla
213: Observatorio Montcabre
214: Garching Observatory
215: Buchloe
216: Observatoire des Cotes de Meuse, France
217: Assah
218: Hyderabad
219: Japal-Rangapur
220: Vainu Bappu Observatory, Kavalur, India
221: IAS Observatory, Hakos
222: Yerres-Canotiers
223: Madras, India (Indian Institute of Astrophysics, Madras Observatory)
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 Observatory
252: Deep Space Communications Complex
253: Deep Space Communications Complex
254: Haystack, Westford
255: Evpatoria, Ukraine
256: Green Bank Telescope
257: Goldstone DSS 25, Fort Irwin
260: Siding Spring Observatory-DSS (Digital Sky Survey)
261: Palomar Mountain-DSS
262: European Southern Observatory, La Silla-DSS (La Silla Observatory)
285: Flammarion Observatory, Juvisy
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, Indonesia
300: Bisei Spaceguard Center-BATTeRS
301: Mont Megantic (Observatoire du Mont Megantic, QC)
302: University of the Andes station
303: Merida (Observatorio Astronomico Nacional de Llano del Hato, Merida, Venezuela)
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 (Xinglong Station (NAOC))
330: Purple Mountain Observatory, Nanking
333: Desert Eagle Observatory, Arizona
334: Tsingtao
337: Sheshan, formerly Zo-Se
340: Toyonaka
341: Akashina
342: Shishikui
343: Younchun
344: Bohyunsan Optical Astronomy Observatory (BOAO)
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 (Okayama Astrophysical Observatory of Tokyo Observatory) (OAO)
372: Geisei Observatory
373: Oishi
374: Minami-Oda Observatory
375: Uzurano
376: Uenohara
377: Kwasan Observatory, Kyoto University, Kyoto (Kwasan and Hida Observatories)
378: Murou
379: Hamamatsu-Yuto
380: Ishiki
381: Tokyo-Kiso (Kiso Observatory, University of Tokyo, Nagano)
382: Tokyo-Norikura (Norikura Observatory of Tokyo Astronomical Observatory)
383: Chirorin
384: Shimada
385: Nihondaira Observatory
386: Yatsugatake-Kobuchizawa
387: Tokyo-Dodaira (Dodaira Observatory of Tokyo Astronomical Observatory)
388: Tokyo-Mitaka (National Astronomical Observatory, Mitaka, Tokyo)
389: Tokyo (before 1938) (Tokyo Astronomical Observatory)
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 (Sengamine Observatory, Hyogo, Japan)
411: Oizumi Observatory
412: Iwaki
413: Siding Spring Observatory
414: Mount Stromlo
415: Kambah, near Canberra (Kambah Observatory)
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
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: Observatori d'Ontinyent
446: Kingsnake Observatory
447: Centennial Observatory
448: Desert Moon Observatory, Las Cruces, New Mexico
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: 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 (Stardome Observatory)
468: Astronomical Observatory, Campo Catino (Osservatorio Astronomico Campo Catino)
469: Courroux
470: Ceccano
471: Houstrup
472: Merlette
473: Remanzacco
474: Mount John Observatory, Lake Tekapo (Mount John University Observatory)
475: Turin Observatory (before 1913)
476: Grange Observatory, Bussoleno, Italy
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, Spain
492: Mickleover
493: Calar Alto Observatory
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, France
505: Simon Stevin
506: Bendestorf
507: Nyenheim
508: Zeist
509: La Seyne sur Mer
510: Siegen
511: Observatoire de Haute-Provence, France
512: Leiden (before 1860)
513: Lyons
514: Mundenheim (1907-1913)
515: Volkssternwarte Dhaun, near Kirn
516: Hamburg (before 1909), German Empire
517: Geneva (from 1967), Switzerland
518: Marine Observatory, Hamburg
519: Meschede
520: Bonn
521: Bamberg
522: Observatory of Strasbourg (Observatoire de Strasbourg)
523: Frankfurt
524: Mannheim
525: Marburg, Germany
526: Kiel
527: Altona
528: Gottingen
529: Christiania
530: Lubeck
531: Collegio Romano, Rome (Osservatorio del Collegio Romano)
532: Munich, Germany (Universitats-Sternwarte Munchen, Bogenhausener Sternwarte; a.k.a. Koniglichen Sternwarte zu Bogenhausen)
533: Padua
534: Leipzig (since 1861)
535: Palermo (Osservatorio Astronomico di Palermo "Giuseppe S. Vaiana", Sicily)
536: Berlin-Babelsberg (Berlin Observatory after 1913)
537: Urania Observatory, Berlin (Urania Sternwarte)
538: Pola, Croatia (Kaiserlichen und Koniglichen Kriegsmarine Pola Sternwarte; Austro-Hungarian Imperial [and Royal] Naval Observatory in Pola, now Pula, Croatia)
539: Kremsmunster
540: Linz (Davidschlag Observatory; Private Observatory Meyer/Obermair; Sternwarte Davidschlag, Austria)
541: Prague Observatory
542: Falkensee
543: Leipzig (before 1861), German Empire
544: Wilhelm Foerster Observatory, Berlin (Wilhelm-Foerster-Sternwarte)
545: Vienna Observatory (before 1879), Austria-Hungary
546: Oppolzer Observatory, Vienna
547: Breslau
548: Berlin (1835-1913) (Berliner Sternwarte, Berlin Observatory, before 1913)
549: Uppsala (Uppsala Astronomical Observatory (UAO); Astronomiska observatoriet i Uppsala)
550: Schwerin
551: Hurbanovo, formerly O'Gyalla
552: Osservatorio S. Vittore, Bologna (Osservatorio San Vittore, Italy)
553: Chorzow
554: Burgsolms Observatory, Wetzlar
555: Cracow-Fort Skala
556: Reintal, near Munich
557: Ondrejov Observatory (Observator Ondrejov, Czech Republic)
558: Warsaw
559: Serra La Nave
560: Madonna di Dossobuono (Osservatorio Madonna di Dossobuono, Italy)
561: Piszkesteto Stn. (Konkoly) (Piszkesteto Station, Konkoly Obszervatorium, Budapest)
562: Figl Observatory, Vienna
563: Seewalchen
564: Herrsching
565: Bassano Bresciano (Osservatorio Astronomico di Bassano Bresciano, Italy)
566: Haleakala-NEAT/GEODSS
567: Chions (Osservatorio di Chions; Chaonis Observatory, Italy)
568: Mauna Kea Observatory, Hawaii
569: Helsinki
570: Vilnius (since 1939)
571: Cavriana (Osservatorio "Giordano Bruno", Italy)
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 (Observatoire du Pic du Midi, France)
587: Sormano (Osservatorio Astronomico Sormano, Italy)
588: Eremo di Tizzano
589: Osservatorio Astrometrico Santa Lucia Stroncone
590: Metzerlen
591: Resse Observatory
592: Solingen, Germany
593: Monte Argentario
594: Monte Autore
595: Farra d'Isonzo (Osservatorio Astronomico di Farra d'Isonzo, Italy)
596: Colleverde di Guidonia (Osservatorio Colleverde di Guidonia, Italy)
597: Springe
598: Loiano (Osservatorio Astronomico di Loiano, Italy)
599: Campo Imperatore-CINEOS (Osservatorio di Campo Imperatore, Italy)
600: TLC Observatory, Bologna
601: Engelhardt Observatory, Dresden
602: Urania Observatory, Vienna
603: Bothkamp, near Kiel, Germany (Sternwarte Bothkamp, Bothkamp Observatory)
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 (Starkenburg Observatory)
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 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 Observatory aka Walter Hohmann Observatory, Germany
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 (Palomar Observatory)
676: San Clemente
677: Lake Arrowhead
678: Fountain Hills (Fountain Hills Observatory, Fountain Hills, AZ)
679: San Pedro Martir
680: Los Angeles
681: Calgary
682: Kanab
683: Goodricke-Pigott Observatory, Tucson
684: Prescott (Prescott Observatory)
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), Flagstaff
689: U.S. Naval Observatory, Flagstaff (USNOFS)
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, AZ
702: Joint Obs. for cometary research, Socorro, NM (now the New Mexico Tech Remote Observatory)
703: Catalina Sky Survey, Tucson, AZ
704: Lincoln Laboratory ETS, New Mexico (ETS = Experimental Test System)
705: Apache Point (Apache Point Observatory, NM)
706: Salida, CO
707: Chamberlin field station, CO
708: Chamberlin Observatory, Denver, CO
709: W & B Observatory, Cloudcroft, NM
710: MPO Observatory, Florissant, CO
711: McDonald Observatory, Fort Davis, TX
712: USAF Academy Observatory, Colorado Springs, CO
713: Thornton, CO
714: Bagdad, AZ
715: Jornada Observatory, Las Cruces, NM
716: Palmer Divide Observatory, Colorado Springs, CO
717: Prude Ranch, TX
718: University of Utah, Tooele, UT
719: Frank T. Etscorn Campus Observatory, Socorro, NM (New Mexico Tech Astronomy Club)
720: Universidad de Monterrey, Nuevo Leon, Mexico
721: Lime Creek (Lime Creek Observatory, NE)
722: Missouri City, TX
723: Cottonwood Observatory, Ada, OK
724: National Observatory, Tacubaya (Observatorio Astronomico Nacional; Observatorio de Tacubaya, Mexico)
725: Fair Oaks Ranch (Fair Oaks Ranch Observatory, Fair Oaks Ranch, Texas)
726: Brainerd (Fire in the Sky Observatory, Brainerd, MN)
727: Zeno Observatory, Edmond, OK
728: Corpus Christi, TX
729: Glenlea Astronomical Observatory, Winnipeg, MB
730: University of North Dakota, Grand Forks, ND
731: Rose-Hulman Observatory, Terre Haute, IN
732: Oaxaca, Oaxaca, Mexico
733: Allen, Texas
734: Farpoint Observatory, Eskridge, KS
735: George Observatory, Needville, TX
736: Houston, TX
737: New Bullpen Observatory, Alpharetta, GA
738: Observatory of the State University of Missouri
739: Sunflower Observatory, Olathe, KS
740: SFA Observatory, Nacogdoches, TX (Stephen F. Austin State University Observatory)
741: Goodsell Observatory, Northfield, MN
742: Drake University, Des Moines, IA
743: University of Minnesota, Minneapolis, MN
744: Doyan Rose Observatory, Indianapolis, IN
745: Glasgow, Missouri
746: Brooks Astronomical Observatory, Mt. Pleasant, MI
747: Baton Rouge Observatory, LA
748: Van Allen Observatory, Iowa City, IA
749: Oakwood, GA
750: Hobbs Observatory, Fall Creek, WI
751: Lake Saint Louis, MO
752: Puckett Observatory, Mountain Town, GA
753: Washburn Observatory, Madison, WI
754: Yerkes Observatory, Williams Bay, WI
755: Optec Observatory, MI
756: Dearborn Observatory, Evanston, IL
757: High Point, NC
758: BCC Observatory, Cocoa, FL (Astronaut Memorial Planetarium & Observatory; BCC = Brevard Community College)
759: Nashville, TN
760: Goethe Link Observatory, Brooklyn, IN
761: Zephyrhills (Quail Hollow Observatory, Zephyrhills, FL)
762: Four Winds Observatory, Lake Leelanau, MI
763: King City, ON
764: Puckett Observatory, Stone Mountain, GA
765: Cincinnati, OH
766: Michigan State University Observatory, East Lansing, MI
767: Angell Hall Observatory, Ann Arbor, MI
768: Dearborn, MI
769: McMillin Observatory, Columbus, OH
770: Crescent Moon Observatory, Columbus, OH
771: Boyeros Observatory, Havana, Cuba (Observatorio de Rancho Boyeros)
772: Boltwood Observatory, Stittsville, ON
773: Warner and Swasey Observatory, Cleveland, OH
774: Warner and Swasey Nassau Station, Chardon, OH
775: Sayre Observatory, South Bethlehem, PA
776: Foggy Bottom, Hamilton (Foggy Bottom Observatory, Hamilton , NY)
777: Toronto, ON
778: Allegheny Observatory, Pittsburgh, PA
779: David Dunlap Observatory, Richmond Hill, ON
780: Leander McCormick Observatory, Charlottesville, VA
781: Quito, Ecuador
782: Quito, comet astrograph station
783: Rixeyville, VA
784: Stull Observatory, Alfred University, NY
785: Fitz-Randolph Observatory, Princeton, NJ
786: U.S. Naval Obs., Washington (since 1893)
787: U.S. Naval Obs., Washington (before 1893)
788: Mount Cuba Observatory, Wilmington, DE
789: Litchfield Observatory, Hamilton College, Clinton, Oneida County, NY
790: Dominion Observatory, Ottawa, ON
791: Flower and Cook Observatory, Philadelphia, PA
792: U. of Rhode Island, Quonochontaug, RI
793: Dudley Observatory, Albany (before 1893)
794: Vassar College Observatory, Poughkeepsie, NY
795: Rutherford, NY
796: Stamford, CT
797: Yale Observatory, New Haven, CT (Yale University Observatory)
798: Yale Observatory, Bethany, CT (Yale University Observatory)
799: Winchester, MA
800: Harvard Observatory, Arequipa, Peru (Boyden Station)
801: Oak Ridge Observatory
802: Harvard Observatory, Cambridge, MA (Harvard College Observatory)
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 (became the Dr. Carlos U. Cesco Observatory (Estacion de Altura Carlos Ulrico Cesco) in 1990; seems to be the same as the Observatorio Felix Aguilar, San Juan National University), Argentina
809: European Southern Observatory, La Silla (La Silla Observatory)
810: Wallace Observatory, Westford (George R. Wallace Jr. Astrophysical Observatory (WAO), Westford, MA)
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 (Sudbury, Massachusetts)
818: Gemeaux Observatory, Laval, QC (Observatoire Gemeaux)
819: Val-des-Bois, QC
820: Tarija
821: Cordoba-Bosque Alegre (Estacion Astrofisica de Bosque Alegre, Observatorio Astronomico de Cordoba, Argentina)
822: Cordoba (Observatorio Astronomico de Cordoba, Argentina)
823: Fitchburg
824: Lake Clear
825: Granville
826: Plessissville, QC
827: Saint-Felicien, QC
828: Assonet
829: Complejo Astronomico El Leoncito (CASLEO)
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 (La Plata Astronomical Observatory; Observatorio Astronomico de La Plata)
840: Flint
841: Martin Observatory, Blacksburg
842: Gettysburg College Observatory
843: Emerald Lane Observatory, Decatur
844: Los Molinos
845: Clinton B. Ford Observatory , Ithaca
846: Principia Astronomical Observatory, Elsah
847: Lunar Cafe Observatory
848: Tenagra Observatory, Cottage Grove
849: Everstar Observatory, Olathe, KS (EverStaR Observatory)
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 (Observatorio Wykrota - CEAMIG (Centro de Estudos Astronomicos de Minas Gerais))
860: Valinhos
861: Barao Geraldo
862: Saku
863: Furukawa
864: Kumamoto (KCAO (Kumamoto Civil Astronomical Observatory), Kumamoto, Kumamoto, Japan)
865: Emmy Observatory, New Paltz
866: U.S. Naval Academy, Michelson
867: Saji Observatory
868: Hidaka Observatory
869: Tosa
870: Campinas (Observatorio de Campinas, a.k.a. Observatorio Municipal de Campinas "Jean Nicolini")
871: Akou
872: Tokushima
873: Kurashiki Observatory
874: Itajuba
875: Yorii
876: Honjo
877: Okutama
878: Kagiya
879: Tokai (Tokai, Aichi, Japan)
880: Rio de Janeiro
881: Toyota
882: JCPM Oi Station
883: Shizuoka (Shizuoka, Shizuoka, Japan)
884: Kawane
885: JCPM Yakiimo Station
886: Mishima (Mishima, Shizuoka, a.k.a. Susono, Shizuoka, Japan)
887: Ojima (Ojima, Gunma, Japan)
888: Gekko Observatory
889: Karasuyama (Karasuyama, Tochigi, Japan)
890: JCPM Tone Station
891: JCPM Kimachi Station
892: YGCO Hoshikawa and Nagano Stations
893: Sendai Municipal Observatory (Sendai Astronomical Observatory)
894: Kiyosato
895: Hatamae
896: Yatsugatake South Base Observatory (near 386 Yatsugatake-Kobuchizawa)
897: YGCO Chiyoda Station (YGCO: Yamaneko Group of Comet Observers)
898: Fujieda (Fujieda, Shizuoka, Japan)
899: Toma
900: Moriyama (Moriyama, Shiga, Japan)
901: Tajimi
902: Ootake
903: Fukuchiyama and Kannabe (Fukuchiyama and Kannabe Observatory, Japan)
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, NY (RIT = Rochester Institute of Technology)
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
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: Roque de los Muchachos Observatory, 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 (COAA: Centro de Observacao Astronomica no Algarve)
966: Church Stretton
967: Greens Norton
968: Haverhill
969: London-Regents Park (George Bishop's Observatory, Regent's Park, 1836-1861)
970: Chelmsford
971: Lisbon
972: Dun Echt
973: Harrow
974: Genoa
975: Valencia
976: Leamington Spa
977: Markree (Markree Observatory, County Sligo, Ireland)
978: Conder Brow
979: South Wonston
980: Lancaster
981: Armagh
982: Dunsink Observatory, Dublin
983: San Fernando
984: Eastfield
985: Telford
986: Ascot
987: The Isle of Man Observatory
988: Glasgow
989: Wilfred Hall Observatory, Preston
990: Madrid, Spain (Observatorio Astronomico de Madrid)
991: Liverpool (since 1867)
992: Liverpool (before 1867)
993: Woolston Observatory
994: Godalming
995: Durham (Durham University Observatory)
996: Oxford (Radcliffe Observatory)
997: Hartwell
998: London-Mill Hill (University of London Observatory)
999: Bordeaux-Floirac (Observatoire de Bordeaux)
A00: Gravesend, U.K.
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 Conbera
A11: Wormhout
A12: Stazione Astronomica di Sozzago
A13: Observatoire Naef, Marly, Switzerland (Observatory 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: Sternwarte Weinheim, Germany [4]
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 University-Angstrom laboratory [1]
A50: Andrushivka Astronomical Observatory (Андрушівська астрономічна обсерваторія), Zhytomyr Oblast, Ukraine
A51: Danzig
A52: Etyek
A53: Peschiera del Garda
A54: Ostrorog
A55: Osservatorio Astronomico Vallemare di Borbona, Italy [2]
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 (Sternwarte "Adolph Diesterweg" Radebeul, Germany)
A73: Penzing Astrometric Obs., Vienna
A74: Bergen-Enkheim Observatory, Germany [5]
A75: Fort Pius Observatory, Barcelona
A76: Andromeda Observatory, Miskolc
A77: Observatoire Chante-Perdrix, Dauban, Haute-Provence, France
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, Ukraine
A86: Albigneux
A87: Rimbach
A88: Bolzaneto
A89: Sterni Observatory, Kempten
A90: Sant Gervasi Observatory, Barcelona
A91: Hankasalmi Observatory, Hankasalmi, Finland
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, Germany
B02: Kielce
B03: Alter Satzberg, Vienna
B04: Saint-Barthelemy Observatory
B05: Ka-Dar Observatory, Barybino, Moscow region
B06: Montseny Astronomical Observatory, Spain
B07: Camorino
B08: San Lazzaro di Savena
B09: Capannoli, Italy Pietro Dora Vivarelli ASA
B10: Observatoire du Mas des Gres, Moydans
B11: Osservatorio Cima Rest, Imola
B12: The 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: Observatori Iluro, Mataro
B20: Observatori Carmelita, Tiana
B21: Gaisberg Observatory (Sternwarte Gaisberg), Schaerding (Scharding, Austria)
B22: Observatori d'Ager, Barcelona
B23: Fiamene, Italy
B24: Cesson
B25: Catania
B26: Observatoire des Terres Blanches, Reillanne
B27: Picard Observatory, St. Veit
B28: Mandi Observatory, Pagnacco, Italy
B29: L'Ampolla Observatory, Tarragona
B30: Szamotuly-Galowo, Poland
B31: Southern African Large Telescope (SALT), Sutherland
B32: Observatory Gelenau(Germany)
B33: Libbiano Observatory, Peccioli - AAAV
B34: Green Island Observatory, Gecitkale, Cyprus
B35: Bareket observatory, Macabim, Israel.
B36: Redshed Observatory, Kallham
B37: Obs. de L' Ametlla del Valles, Barcelona
B38: Santa Mama
B39: Tradate
B40: Skylive Observatory, Catania, Italy (Gruppo Astrofili Catanesi)
B41: Zlin Observatory
B42: Vitebsk
B43: Hennef
B44: Eygalayes, France
B45: Narama
B46: Sintini Observatory, Argenta
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, Switzerland
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, Germany
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, Finland
C04: Kramatorsk, Ukraine
C05: Konigsleiten, Austria
C06: Siberian State Aerospace University Observatory, Krasnoyarsk, Russia
C07: Anysllum Observatory, Ager, Spain
C08: Fiby, Sweden
C09: Rouet, France
C10: Maisoncelles, France
C11: City Observatory, Slany, Czech Republic
C12: Berta Observatory, Sabadell, Spain
C13: Como, Italy
C14: Sky Vistas Observatory, Eichgraben, Austria
C15: ISON-Ussuriysk, Russia
C16: Isarwinkel Observatory, Bad Tolz, Germany
C17: Observatorio Joan Roget, Ager, Spain
C18: Frasnes-Lez-Anvaing, Belgium
C19: ROSA Observatory, Vaucluse, France
C20: Kislovodsk Mtn. Astronomical Stn., Pulkovo Obs., Russia
C21: Observatorio Via Lactea, Ager, Spain
C22: Oberwiesenthal, Germany
C23: Olmen, Belgium
C24: Seveso, Italy
C25: Pulkovo Observatory Station, Campo Imperatore, Italy
C26: Levendaal Observatory, Leiden, Netherlands
C27: Pallerols, Spain
C28: Wellinghofen, Germany
C29: Observatori Astronomic de Les Planes de Son, Spain
C30: Petrozavodsk University Obs., Sheltozero Stn., Russia
C31: Sternwarte Neanderhoehe Hochdahl e.V., Erkrath, Germany
C32: Ka-Dar Observatory, TAU Station, Nizhny Arkhyz, Russia
C33: Observatorio CEAM, Caimari, Canary Islands, Spain
C34: Baja Astronomical Observatory, Hungary
C35: Terrassa, Spain
C36: Starry Wanderer Observatory, Baran', Belarus
C37: Stowupland, England, Great Britain
C38: Varuna Observatory, Cuorgne, Italy
C39: Nijmegen, Netherlands
C40: Kuban State University Astrophysical Observatory, Russia
C41: MASTER-II Observatory, Kislovodsk, Russia
C42: Xingming Observatory, Mt. Nanshan, China
C43: Hoyerswerda, Germany
C44: A. Volta Observatory, Lanzo d'Intelvi, Italy
C45: MPC1 Cassia Observatory, La Giustiniana, Italy
C46: Horizon Observatory, Petropavlovsk, Kazakhstan
C47: Nonndorf, Austria
C48: Sayan Solar Observatory, Irkutsk, Russia
C49: STEREO-A
C50: STEREO-B
C51: WISE
C60: Argelander Institute for Astronomy Obs., Bonn, Germany
C61: Chelles, France
C62: Eurac Observatory, Bolzano, Italy
C63: Giuseppe Piazzi Observatory, Ponte in Valtellina, Italy
C64: Puchenstuben, Austria
D14: Nanchuan Observatory, Guangzhou
D16: Po Leung Kuk Observatory, Tuen Mun
D17: Hong Kong
D18: Mt. Guizi Observatory, China
D20: Zadko Observatory, Wallingup Plain
D21: Shenton Park
D22: UWA Observatory, Crawley, WA, Australia
D24: LightBuckets Observatory, Pingelly
D25: Tzec Maun Observatory, Pingelly, WA, Australia
D29: Purple Mountain Observatory, XuYi Station
D32: JiangNanTianChi Observatory, Mt. Getianling
D34: Kenting Observatory, Hengchun
D35: Lulin Observatory
D36: Tataka, Mt. Yu-Shan National Park
D39: Shandong University Observatory, Weihai
D44: Ishigakijima Astronomical Observatory
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 (Anan Science Center Nakagawa Observatory, formerly Nakagawa Science Center Nakagawa Observatory, Japan)
D78: Iga-Ueno
D79: YSVP Observatory, Vale Park, SA, Australia
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 (Yamagata Astronomical Observatory)
D90: RAS Observatory, Moorook, SA, Australia
D91: Adati
D92: Osaki, Japan
D93: Sendai Astronomical Observatory, Japan
D94: Takanezawa, Tochigi, Japan
D95: Kurihara
D96: Tzec Maun Observatory, Moorook, SA, Australia
D97: Berri, SA, Australia'
E00: Castlemaine
E01: South Yarra (Barfold)
E03: RAS Observatory, Officer
E04: Pacific Sky Observatory, Saipan
E05: Earl Hill Observatory, Trinity Beach
E07: Murrumbateman, NSW, Australia
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, Bangor, (Near Sutherland South of Sydney)
E19: Kingsgrove
E20: Marsfield
E21: Norma Rose Observatory, Leyburn, Queensland, Australia
E22: Univ. of Southern Queensland Obs., Mt. Kent
E23: Arcadia, Australia
E24: Tangra Observatory, St. Clair, NSW, Australia
E25: Rochedale (APTA)
E26: RAS Observatory, Biggera Waters
E27: Thornlands
E28: Kuriwa Observatory, Hawkesbury Heights, NSW, Australia
E81: Nelson, New Zealand
F51: Pan-STARRS 1, Haleakala
F59: Ironwood Remote Observatory, Hawaii
F60: Ironwood North Observatory, Hawaii
F65: Haleakala-Faulkes Telescope North (Haleakala Observatory)
F84: Hibiscus Observatory, Punaauia
F85: Tiki Observatory, Punaauia
F86: Moana Observatory, Punaauia
G51: Byrne Observatory, Sedgwick Reserve, CA, U.S.A.
G52: Stone Edge Observatory, El Verano, CA, U.S.A.
G53: Alder Springs Observatory, Auberry, CA, U.S.A.
G54: Hemet, CA, U.S.A.
G55: Bakersfield, CA, U.S.A.
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: Thousand Oaks
G70: Francisquito Observatory, Los Angeles, CA, U.S.A.
G71: Rancho Palos Verdes
G72: University Hills
G73: Mount Wilson-TIE
G74: Boulder Knolls Observatory, Escondido, CA, U.S.A.
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(Fred Lawrence Whipple Observatory)
G92: Jarnac Observatory, Vail
G93: Sonoita Research Observatory, Sonoita, Arizona
G94: Sonoran Skies Observatory, St. David
G95: Hereford Arizona Observatory, Hereford
G96: Mt. Lemmon Survey (Mount Lemmon)
G97: Astronomical League Alpha Observatory, Portal
G98: Calvin-Rehoboth Observatory, Rehoboth (Calvin-Rehoboth Robotic Observatory)
G99: NF Observatory, Silver City
H00: Tyrone
H01: Magdalena Ridge Observatory, New Mexico Tech
H02: Sulphur Flats Observatory, La Cueva
H03: Sandia View Observatory, Rio Rancho, NM
H04: Santa Fe
H05: Edmund Kline Observatory, Deer Trail
H06: RAS Observatory, Mayhill, NM (RAS (Remote Astronomical Society) Observatory of New Mexico; a.k.a. New Mexico Skies Observatory)
H07: 7300 Observatory, Cloudcroft, NM
H08: BlackBird Observatory, Cloudcroft, NM
H09: Antelope Hills Observatory, Bennett
H10: Tzec Maun Foundation Observatory, Mayhill, NM
H11: LightBuckets Observatory, Rodeo, NM, U.S.A.
H12: TechDome, Mayhill, NM, U.S.A.
H13: Lenomiya Observatory, Casa Grande, AZ, U.S.A.
H14: Morning Star Observatory, Tucson, AZ, U.S.A.
H15: ISON-NM, Mayhill, NM, U.S.A. (32° 54? 11.79? North 105° 31? 42.40? West, 2217 meters above sea level)
H16: HUT Observatory, Eagle, CO, U.S.A.
H17: Angel Peaks Observatory, CO, U.S.A.
H18: Vail, AZ, U.S.A.
H19: Lone Star Observatory, Caney, OK, U.S.A.
H20: Eastern Illinois University Obs., Charleston, IL, U.S.A.
H21: Astronomical Research Observatory, Westfield, IL, U.S.A.
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, KS
H37: Grems Timmons Observatories, Graettinger
H38: Timberline Observatory, Urbandale
H39: S.O.S. Observatory, Minneapolis
H40: Nubbin Ridge Observatory
H41: Petit Jean Mountain, AR
H42: Wartburg College Observatory, Waverly
H43: Conway
H44: Cascade Mountain
H45: Petit Jean Mountain South, AR
H46: Ricky Observatory, Blue Springs, Missouri.
H47: Vicksburg, MS
H48: PSU Greenbush Observatory, Pittsburg
H49: ATU Astronomical Observatory, Russellville
H50: University of Central Arkansas Obs., Conway
H51: Greiner Research Observatory, Verona, WI
H52: Hawkeye Observatory, Durand
H53: Thompsonville
H54: Cedar Drive Observatory, Pulaski
H55: Astronomical Research Observatory, Charleston, IL (Antares Observatory, Charleston, IL)
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, IN, U.S.A.
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, MI
H68: Red Barn Observatory, Ty Ty, GA
H69: Ohio Wesleyan University
H70: Asheville
H71: Chula
H72: Evelyn L. Egan Observatory, Fort Myers, Florida
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: Halstead Observatory, Princeton
H81: Hartung-Boothroyd Observatory, Ithaca, New York, USA
H82: CBA-NOVAC Observatory, Front Royal, Virginia, USA
H83: Timberlake Observatory, Oakton
H84: Northview Observatory, Mendon
H85: Silver Spring, MD
H86: CBA-East Observatory, Laurel
H87: Fenwick Observatory, Richmond
H88: Hope Observatory, Belcamp
H89: Galaxy Blues Observatory, Gatineau, QC
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 Roseanne Obs., Middlefield, CT
H99: Sunhill Observatory, Newton
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
I07: Conlin Hill Observatory, Oxford
I08: Alianza S4, Cerro Burek
I09: Cerro Armazones, Chile
I10: CAOS-CampoCatino Austral Observatory Survey (Campo Catino Austral Observatory Survey, Chile [6])
I11: Gemini South Observatory, Cerro Pachon
I12: Phillips Academy Observatory, Andover
I13: Burleith Observatory, Washington D.C., U.S.A.
I14: Tigh Speuran Observatory, Framingham
I15: Wishing Star Observatory, Barrington
I16: IAA-AI Atacama, San Pedro de Atacama, Chile
I17: Thomas G. Cupillari Observatory, Fleetville, PA, U.S.A.
I18: Fan Mountain Observatory, Covesville, VA, U.S.A.
I19: Observatorio El Gato Gris, Tanti, Argentina
I20: Rio Cuarto, Argentina
I21: El Condor Observatory, Cordoba
I22: Abbey Ridge Observatory, Stillwater Lake
I23: Frosty Cold Observatory, Mash Harbor, ME, U.S.A.
I24: Lake of the Woods Observatory, Locust Grove, VA, U.S.A.
I25: ECCCO Observatory, Bosque Alegre, Argentina
I26: Observatorio Kappa Crucis, Cordoba, Argentina
I27: Barred Owl Observatory, Carp, Canada
I28: Starhoo Observatory, Lakeville, MA, U.S.A.
I29: Middlesex School Observatory, Concord, MA, U.S.A.
I30: Observatorio Geminis Austral
I31: Observatorio Astronomico del Colegio Cristo Rey
I32: Observatorio Beta Orionis, Rosario
I33: SOAR, Cerro Pachon, Chile
I34: Morgantown, PA, U.S.A.
I35: Sidoli, Argentina
I36: Observatorio Los Campitos, Canuela, Argentina
I37: Astrodomi Observatory, Santa Rita [7]
I38: Observatorio Los Algarrobos, Salto
I39: Observatorio Cruz del Sur, San Justo, Argentina
I40: La Silla--TRAPPIST, Chile
I41: Palomar Mountain--PTF, CA, U.S.A.
I42: OWC Observatory, Niceville, FL, U.S.A.
I43: Tarleton State University Obs., Stephenville, TX, U.S.A.
I44: Northwest Florida State College, Niceville, FL, U.S.A.
I66: Taurus Australis Observatory, Brasilia, Brazil
I68: Pousada dos Anoes Observatory
I76: Tesla Observatory, Valdemorillo, Spain
I77: CEAMIG-REA Observatory, Belo Horizonte, Brazil
I80: Rose Cottage Observatory, Keighley, England, U.K.
I81: Tarbatness Observatory, Portmahomack, Scotland, U.K.
I82: Guimar, Canary Islands, Spain
I83: Cherryvalley Observatory, Rathmolyon, Ireland
I84: Cerro del Viento, Badajoz, Spain
I85: Las Negras, Spain
I86: Observatorio UCM, Madrid, Spain
I87: Astroshot Observatory, Monasterevin, Ireland
I88: Fuensanta de Martos, Spain
I89: Nerpio, Spain
I90: Blackrock Castle Observatory, Ireland
I91: Retamar, Spain
I92: Astreo Observatory, Mairena del Aljarafe, Spain
I93: St Pardon de Conques, France
I94: Observatorio Rho Ophiocus, Las Rozas de Madrid, Spain
I95: Observatorio de la Hita, Spain
I96: Hyperion Observatory, Urbanizacion Caraquiz, Spain
I97: Penn Heights Observatory, Rickmansworth, U.K.
I98: El Berrueco, Spain
I99: Observatorio Blanquita, Vaciamadrid, Spain
J00: Segorbe, Spain
J01: Observatorio Cielo Profundo, Oviedo, Spain
J02: Busot, Spain
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, Northern Ireland An Carraig Observatory
J17: Ragdon
J18: Dingle Observatory, Montgomery, Wales, U.K.
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, Spain
J28: Observatorio Jaen, Jaen, Spain
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: Observatorio Malaga Malaga
J41: Raheny
J42: Puzol
J43: Oukaimeden Observatory
J44: Observatorio Iturrieta, Alava
J45: Observatorio Montana Cabreja Vega de San Mateo, Gran Canaria.
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, Wales, UK
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, Gloucestershire, England, UK
J69: North Observatory, Clanfield, UK
J70: Obs. Astronomico Vega del Thader, El Palmar
J71: Willow Bank Observatory, Lancashire, England, UK
J72: Valle del Sol
J73: Quainton, Buckinghamshire, England, UK (Quainton Observatory)
J74: Bilbao
J75: OAM Observatory, La Sagra, Spain (Observatorio Astronomico de La Sagra)
J76: La Murta, Spain
J77: Golden Hill Observatory, Stourton Caundle, Dorset, England, UK
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 (Observatorio de Sierra Nevada, Spain)
J87: La Canada (Observatorio de La Canada (La Canada Observatory), Avila, Spain)
J88: Strawberry Field Obs., Southampton
J89: Tres Cantos Observatory
J90: West Challow
J91: Alt emporda Observatory, Figueres
J92: Beaconsfield
J93: Mount Tuffley Observatory, Gloucester, England, UK
J94: Abbeydale, Gloucester, England, UK
J95: Great Shefford, Berkshire, England, UK
J96: Observatorio de Aras de los Olmos (OAO) - Universidad de Valencia, Aras de los Olmos, Valencia, Spain
J97: Alginet
J98: Observatorio Manises
J99: Burjassot