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, near Riga 070 Vilnius (before 1939) 071 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, Raanana 138 Village-Neuf 139 Antibes 140 Augerolles 141 Hottviller 168 Kourovskaya 186 Kitab 188 Shokin Majdanak 190 Gissar 191 Dushanbe 192 Tashkent 193 Sanglok 210 Alma-Ata 217 Assah 218 Hyderabad 219 Japal-Rangapur 220 Vainu Bappu Observatory, Kavalur 223 Madras 236 Tomsk 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 286 Yunnan Observatory 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 301 Mont Megantic 302 University of the Andes station 303 Merida 304 Las Campanas Observatory 305 Purple Mountain, Hainan Island station 312 Tsingtao field station, Xisha Islands 323 Perth Observatory, Bickley 324 Peking Observatory, Shaho Station 327 Peking Observatory, Xinglong Station 330 Purple Mountain Observatory, Nanking 334 Tsingtao 337 Zo-Se 352 Konan 353 Nishi Kobe 354 Kawachi 355 Hadano 356 Kogota 357 Shimotsuma 358 Nanyou 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 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 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 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 Haute Provence 512 Leiden (before 1860) 513 Lyons 514 Mundenheim (1907-1913) 515 Volkssternwarte Dhaun, near Kirn 516 Hamburg (before 1909) 517 Geneva 518 Marine Observatory, Hamburg 519 Meschede 520 Bonn 521 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 562 Figl Observatory, Vienna 563 Seewalchen 564 Herrsching 565 Brescia 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 Kiev 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 Astronomical Observatory, Campo Imperatore 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 JATE Observatory, Szeged 630 Osenbach 631 Hamburg-Georgswerder 655 Sooke 656 Victoria 657 Climenhaga Observatory, Victoria 658 Dominion Astrophysical Observatory, Victoria 660 Leuschner Observatory, Berkeley 662 Lick Observatory, Mount Hamilton 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 679 San Pedro Martir 680 Los Angeles 683 Goodricke-Pigott Observatory, Tucson 684 Prescott 685 Williams, AZ 686 U. of Minn. Infrared Obs., Mt. Lemmon 687 Northern Arizona University, Flagstaff 688 Lowell Observatory, Mesa Station 689 U.S. Naval Observatory, Flagstaff 690 Lowell Observatory, Flagstaff 691 Steward Observatory, Kitt Peak 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 700 Chinle 702 Joint Obs. for cometary research, Socorro 704 Lincoln Laboratory ETS, New Mexico 706 Salida 707 Chamberlin field station 708 Chamberlin Observatory, Denver 709 W & B Observatory, Cloudcroft 710 Florissant 711 McDonald Observatory, Fort Davis 712 USAF Academy Observatory, Colorado Springs 721 Lime Creek 724 National Observatory, Tacubaya 727 Zeno Observatory, Edmond 728 Corpus Christi 729 Glenlea Astronomical Observatory, Winnipeg 730 University of North Dakota, Grand Forks 732 Oaxaca 734 Farpoint Observatory, Eskridge 735 George Observatory, Needville 741 Goodsell Observatory, Northfield 742 Drake University, Des Moines 743 University of Minnesota, Minneapolis 745 Glasgow, Missouri 748 Van Allen Observatory, Iowa City 750 Hobbs Observatory, Fall Creek 751 Lake Saint Louis 753 Washburn Observatory, Madison 754 Yerkes Observatory, Williams Bay 756 Dearborn Observatory, Evanston 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 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 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 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 St. Felicien 828 Assonet 833 Obs. Astronomico de Mercedes, Buenos Aires 834 Buenos Aires-AAAA 839 La Plata 844 Los Molinos 861 Barao Geraldo 862 Saku 863 Furukawa 864 Kumamoto 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 Kannabe Observatory, Albireo Station 904 Go-Chome and Kobe-Suma 905 Nachi-Katsuura Observatory 906 Cobram 907 Melbourne 908 Tsukioka, Toyama 910 Caussols-ODAS 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 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 999 Bordeaux-Floirac