| Tag | Institution | Affiliation | Telescope(s) | Location | Long (W neg) |
Lat | Contact Name | Phone | |
| CHFT | Canada-France-Hawaii Telescope | Joint Operations Facility | 3.6 m (142 in) | Waimea, HI, USA | -155.0 | 20.0 | |||
| M.Kea | Mauna Kea Observatories | Hawaii Astronomy Center | 0.6 m (24 in) | Big Island, HI, USA | -155.0 | 20.0 | |||
| LCOGTN | Las Cumbres Observatory | Las Cumbres Observatory Global Telescope Network | 1 m (39 in) | Based in Goleta, CA, USA; network of global robotic telescopes | -119.0 | 35.0 | |||
| KPNO | Kitt Peak National Observatory | NOAO and AURA | 4 m (157 in) 2.1 m (83 in) 1.5 m (59 in) 1.3 m (51 in) 0.9 m (35 in) |
Kitt Peak, AZ, USA | -111.0 | 32.0 | |||
| SARA | Southeastern Association for Research in Astronomy Observatory | Consortium of 16 colleges and universities | 0.9 m 0.6 m 1.0m |
Kitt Peak CTIO Canary Islands |
-111.0 | 32.0 | |||
| SOLM | Steward Observatory, Mt. Lemmon & Mt. Bigelow | U. of Arizona | 1.5 m (59 in) 1.0 m (24 in) |
Tucson, Arizona | -111.0 | 32.2 | |||
| McD | McDonald Observatory | U. of Texas | 2.1 m (83 in) | Davis Mts., Austin, TX, USA | -104.0 | 31.0 | |||
| CTAS | Meyer Observatory | Central Texas Astronomical Society (CTAS) | 0.6 m (24 in) | Temple, TX, USA | -97.0 | 31.0 | |||
| SWMS | Baker Observatory | Southwest Missouri State U. | 0.4 m (16 in) 0.36 m (14 in) |
Marshfield, Missouri | -93.0 | 37.0 | |||
| Mt. Cuba | Mt. Cuba Astronomical Observatory (MCAO) | U. of Delaware | 0.6 m (24 in) | Mt. Cuba, DE, USA | -76.0 | 40.0 | Judith Provencal | ||
| CTIO | Cerro Tololo Inter-American Observatory | NOAO, NSF OIR Lab | 0.9 m (35 in) | La Serena, Chile | -70.0 | -30.0 | |||
| SOAR | Southern Astrophysical Research Telescope | Consortium of several countries including USA | 4.1 m (161 in) | Cerro Pachón, Chile | -70.0 | -30.0 | |||
| ESO | European Southern Observatory | 13 Countries (Member States) | 3.6 m (142 in) 2.2 m (87 in) 1.5 m (59 in) 1.2 m (79 in) |
La Silla, Chile | -70.0 | -29.0 | |||
| UFRGS | Morro Santana Observatory | Federal University of Rio Grande do Sul | 0.5 m (20 in) | Porto Alegre, Brazil | -51.0 | -30.0 | |||
| OPD | Pico dos Dias Observatory | National Astrophysical Laboratory of Brazil | 1.6 m (63 in) 0.6 m (24 in) |
Minas, Gerais, Brazil | -45.0 | -22.0 | |||
| NOT | Nordic Optical Telescope | Funded by Denmark, Sweden, Norway, Finland, and (since 1997) Iceland | 2.7 m (106 in) | Garafía on island La Palma, Canary Islands | -18.0 | 29.0 | |||
| ORM | El Roque de Los Muchachos Observatory (including The Isaac Newton and the Jacobus Kapteyn Telescopes) | Institute of Astrophysics of the Canaries | 10.4 m (410 in) 1.0 m (39 in) |
Garafía on island La Palma, Canary Islands | -18.0 | 29.0 | |||
| TOC | Teide Observatory | Institute of Astrophysics of the Canaries | 1 m (39 in) 0.8 m (31 in) 0.5 m (20 in) |
Santa Cruz de Tenerife, Spain | -16.0 | 28.0 | |||
| CAO | Calar Alto Observatory | Max-Planck Institute for Astronomy (MPIA) Heidelberg, Germany & Institute of Astrophysics Andalucía (CSIC) Granada/Spain | 3.5 m (138 in) 2.2 m (87 in) 1.23 m (48 in) |
Andalucía, Southern Spain | -2.0 | 37.0 | |||
| PDM | Pic du Midi Astronomical Observatory | Paul Sabatier University in Toulouse | 1 m (39 in) 0.6 m (24 in) |
France | 0.8 | 43.0 | |||
| Toulouse | Toulouse Observatory | Academy of Science, Inscriptions and the Humanities of Toulouse | 0.8 m (31 in) | Toulouse, France | 1.0 | 44.0 | |||
| OHP | Haute-Provence Observatory | Center for National Research/Science (CNRS) | 1.93 m (76 in) 1.52 m (60 in) 1.2 m (47 in) 0.8 m (31 in) |
Pyrenees, France | 5.0 | 43.0 | |||
| Tueb | Institute for Astronomy and Astrophysics (IAAT) | University of Tubingen | 0.8 m (31.5 in) | Tübingen, Germany | 9.0 | 48.0 | |||
| Horten | Horten Astronomical Observatory | Horten Videregaende Skole, Norway | 0.5 m 0.46 m 0.68 m |
Horten, Norway | 10.5 | 59.4 | |||
| Naples | Astronomical Observatory di Caodimonte | National Institute for Astrophysics | 0.4 m (16 in) 1.54 m (61 in) |
Naples, Italy | 14.0 | 41.0 | |||
| Vienna | Vienna Observatory | U. of Vienna | 0.68 m (27 in) Refractor | Vienna, Austria | 16.0 | 48.0 | |||
| HAS | Konkoly Observatory | Astrophysical Institute of the Hungarian Academy of Sciences | 1 m (39 in) 0.5 m (20 in) |
Budapest, Piszkesteto Mts., Hungary | 20.0 | 48.0 | |||
| Krakow | Mt. Suhora Observatory | Pedagogical University of Krakow | 0.6 m (24 in) | Gorce Mts., Koninki, Poland | 20.0 | 49.0 | |||
| SAAO | South African Astronomical Observatory | National Research Foundation of South Africa | 1 m (39 in) | Sutherland, South Africa | 20.0 | -32.0 | |||
| BOL | Bologna Astronomical Observatory | Bologna University | 1.52 m (60 in) 0.6 m (24 in) | Loiano, Italy | 20.0 | 44.0 | |||
| Vilnius | Moletai Astronomical Observatory | Vilnius University | 1.5 m (59 in) | Vilnius, Lithuania | 25.0 | 55.0 | |||
| ASUK | Main Astronomical Observatory | National Academy of Sciences of Ukraine | 1 m (39 in) 0.6 m (24 in) | Kiev, Ukraine | 30.0 | 50.0 | |||
| Wise | Wise Observatory | Tel Aviv University | 1 m (39 in) | Tel Aviv, Israel | 34.0 | 30.0 | |||
| Terskol | Peak Terskol Observatory | Institute of Astronomy Russian Academy of Sciences | 2 m (79 in) | Kabardino, Russia | 42.0 | 43.0 | |||
| UBAI (Maid) | Maidanak Observatory | Uzbek Academy of Sciences, Ulugh Beg Astronomical Institute | 1.5 m (59 in) 1.0 m (39 in) 0.6 m (24 in) |
Tashkent, Uzbekistan | 67.0 | 39.0 | |||
| TSAO | Tien Shan Observatory | Fesenkov Astrophysical Institute | 1.0m (39 in) | Kazakhstan | 76.9 | 43.0 | |||
| MAO | Mt. Abu Observatory, Infrared | 1.2 m (47 in) | Ahmedabad, India | 72.0 | 24.0 | ||||
| VBO | Vainu Bappu Observatory | Indian Institute of Astrophysics | 1 m (39 in) 2.3 m (90.5 in) | Javadi Hills, India | 78.0 | 12.0 | |||
| BAO | Beijing Astronomical Observatory | Chinese Academy of Sciences | 2.1 m (83 in) | Beijing, China | 117.0 | 40.0 | |||
| NAOC | National Astronomical Observatory of China | Chinese Academy of Sciences | 0.6 m (24 in) 0.85 m (34 in) 2.16 m (85 in) |
Beijing, China | 118.0 | 40.0 | |||
| Lulin | Lulin Observatory | Institute of Astronomy, National Central University in Taiwan. | 1 m (39 in) | Mt. Lulin, central Taiwan | 120.0 | 23.0 | |||
| NCU | National Central University Observatory | National Central University | 1 m (39 in) 0.5 m (20 in) |
Taoyuan, Taiwan | 121.0 | 23.0 | |||
| BOAO | Bohyunsan Optical Astronomy Observatory | Korea Astronomy and Space Science Institute | 1.8 m (71 in) | Daejeon, Republic of Korea | 129.0 | 36.0 | |||
| MSSSO | Mt. Stromlo & Siding Spring Observatories | Australian National University | 3.9 m (154 in) 2.3 m (90.5 in) 2 m (79 in) |
Australia | 149.0 | -31.0 | |||
| MJUO | Mt. John University Observatory | U. of Canterbury | 1 m (39 in) | Christchurch, New Zealand | 170.0 | -44.0 |
| Tag | Institution | Affiliation | Telescope(s) | Location | Long (W neg) |
Lat | Contact Name | Phone | |
| OSLO | University of Oslo Observatory | Univerisity of Oslo | ? | Oslo, Norway | 10.0 | 60.0 |