A

• ADONIS
  
• Air Force Maui Optical Station
  
• Angell Hall Observatory
  
• Anglo-Australian Observatory
  
• Anglo-Australian Telescope / Schmidt Telescope Unit
  
• Apache Point Observatory
  
• Armagh Observatory
  
• Asiago Observatory
  
• Australian National University - Mt. Stromlo & Siding Spring Observatories
  
• Automatic Radio Linked Telescope
  
• Ayabe Astronomical Observatory, Japan
  

  B

• Baja Astronomical Observatory
  
• Bavarian Public Observatory Berg (German)
  
• Bavarian Public Observatory of Munich
  
• Bear Lake Observarory
  
• Bohyunsan Optical Astronomy Observatory, Korea
  
• Brackett Observatory
  
• Bradford Robotic Telescope
  
• Brigham Young University West Mountain Observatory
  
• Brooks Astronomical Observatory
  
• Brown University Observatories
  
• Bucknell University Observatory
  
• Burke-Gaffney Observatory
  

  C

• Cagliari Astronomical Observatory
  
• Calar Alto Observatory
  
• Cambridge Optical Aperture Synthesis Telescope - (COAST)
  
• Canada France Hawaii Telescope - (CFHT)
  
• Canopus Hill Observatory
  
• Carnegie Institution Observatories
  
• Carter Observatory - (National Observatory of New Zealand)
  
• Center for High Angular Resolution Astronomy - (CHARA)
  
• Cerro Pochoco Observatory - (Chile)
  
• Cerro Tololo Interamerican Observatory - (CTIO)
  
• Clyde W. Tombaugh Observatory
  
• Climenhaga Observatory
  
• Cloudbait Observatory
  
• Columbus Optical SETI Observatory
  
• Copenhagen University Observatory - (CUO)
  
• Cracow Observatory
  
• Crimean Observatory of Sternberg Astronomical Institute
  
• Crni Vrh Observatory
  
• Curtis Schmidt Telescope
  

  D

• Danish telescopes around the world
  
• David Dunlap Observatory - University of Toronto - (DDO)
  
• Detroit Observatory
  
• Dominion Astrophysical Observatory - (DAO)
  
• Dunsink Observatory
  
• Dyer Observatory
  

  E

• Edinboro University Observatory
  
• Elmcrest Observatory
  
• European Southern Observatory (ESO) Chile
  

  F

• Fernbank Observatory
  
• Fred Lawrence Whipple Observatory
  
• Freemont Peak Observatory Association Info
  

  G

• Gemini 8m Telescopes Project - (Gemini)
  
• Gemini/Pachon/ArCon
  
• Global Network of Astronomical Telescopes - (GNAT)
  
• Goethe Link Observatory
  
• Goodsell Observatory
  
• Göttingen Observatory
  
• Griffith Observatory
  
• Grove Creek Observatory
  
• Grove Creek Observatory - (USA Mirror)
  
• Guillermo Haro Observatory - (Mexico)
  

  H

• Hamburg Observatory
  
• Hard Labor Creek Observatory - (HLCO)
  
• Helsinki University Observatory
  
• Hobby-Eberly-Telescope - (HET)
  
• Hopkins Observatory
  
• Hoshinoko Yakata Observatory - (Japan)
  
• Howell Observatory
  

• Hubble Space Telescope 

• Hyde Memorial Observatory
  

  I

• Indiana University Automated Photometric Telescope
  
• Infrared and Optical Telescope Array - (IOTA) University of Massachusetts)
  
• Infrared and Optical Telescope Array - (IOTA University of Wyoming)
  
• InfraRed Telescope Facility - (IRTF)
  
• Isaac Newton Telescope - (INT)
  
• Iowa State University - E.W.Fick Observatory
  

  J

• Jacobus Kapteyn Telescope - (JKT)
  
• John C. Hook Memorial Observatory
  

  K

• Keck Observatory
  
• Keele Observatory
  
• Kitt Peak National Observatory - (KPNO)
  
• Kirkwood Observatory
  
• Konkoly Observatory (Hungary)
  
• Kuiper Airborne Observatory - (KAO)
  
• Kumamoto Civil Astronomical Observatory - (KCAO Japan)
  
• KyungHee Astronomy Observatory, Korea
  

  L

• La Palma - Isaac Newton Group - (ING - Spain)
  
• La Palma - Isaac Newton Group - (ING - England)
  
• La Palma - Italian National Telescope Galileo - (TNG)
  
• La Palma - Nordic Optical Telescope - (NOT)
  
• La Plata Observatory (Argentina)
  
• La Silla Observatory
  
• Lake Afton Public Observatory
  
• Large Binocular Telescope - (LBT 1)
  
• Large Binocular Telescope - (LBT 2)
  
• Leander McCormick Observatory
  
• Leiden Observatory
  
• Leopold Figl Observatory for Astrophysics - (FOA)
  
• Lick Observatory
  
• Limber Observatory
  

• LINEAR (The Lincoln Near Earth Asteroid Research Project)

• Liquid Mirror Telescopes
  
• Lowell Observatory
  
• Lucile Miller Observatory
  
• Lund Observatory
  

  M

• Mauna Kea Observatories
  
• Melsen Observatory
  
• Melton Memorial Observatory
  
• Michigan - Dartmouth - MIT Observatory - (University of Michigan)
  
• Michigan - Dartmouth - MIT Observatory - (MIT)
  
• Mills Observatory
  
• Misato Observatory - (Japan)
  
• Mt. Graham International Observatory - (MGIO)
  
• Mount Laguna Observatory
  
• Mount Lemmon Observing Facility - (MLOF)
  
• Mount Stony Brook Observatory
  
• Mount Wilson Observatory
  
• Multiple Mirror Telescope Observatory - (MMT)
  
• Multi Telescope Telescope - (MTT)
  

  N

• National Astronomical Observatory - (Japan)
  
• National Optical Astronomy Observatories - (NOAO)
  
• National Undergraduate Research Observatory - (NAU and Lowell Observatory)
  
• Near-Earth Asteroid Tracking - (NEAT)
  
• Nishi-Harima Astronomical Observatory - (Japan)
  
• Nordic Optical Telescope - (NOT)
  
• Norman Lockyer Observatory - (NLO)
  

  O

• Oak Ridge Observatory
  
• Observatorio Arval (Venezuela)
  
• Observatoire d'Astrophysique du Club Antares - (English)
  
• Observatoire de Besancon - (French)
  
• Observatorio del Colegio Nacional de Buenos Aires (Argentina)
  
• Observatoire de Haute-Provence - (OHP English)
  
• Observatoire de la Côte d'Azur - (English)
  
• Observatoire de Lyon - (English)
  
• Observatoire du Mont Megantic - (OMM English)
  
• Observatoire du Pic du Midi - (English)
  
• Observatoire du Prieure Gradignan - (English)
  
• Observatoire de Paris - (English)
  
• Observatorio Astronómico de Córdoba - (OAC Spanish)
  
• Observatorio Astronómico de La Plata - (OALP English)
  
• Observatorio Astronómico Nacional de Mexico - (OAN English)
  
• Observatorio del Parc de Catalunya - (Spanish)
  
• Observatorio del Teide - (English)
  
• Observatorio Nacional, Brazil - (Rio de Janeiro English)
  
• Observatorio Roque de los Muchachos - (English)
  
• Observatorium Hoher List
  
• Osservatorio Astrofisico di Arcetri - (Firenze English)
  
• Osservatorio Astrofisico di Catania - (English)
  
• Osservatorio Astronomico Collurania di Teramo - (OACT English)
  
• Osservatorio Astronomico di Bologna - (English)
  
• Osservatorio Astronomico di Brera/Merate - (English)
  
• Osservatorio Astronomico di Brera/Milano - (English)
  
• Osservatorio Astronomico di Capodimonte - (English)
  
• Osservatorio Astronomico di Padova - (English)
  
• Osservatorio Astronomico di Palermo " Giuseppe S. Vaiana" (English)
  
• Osservatorio Astronomico di Roma - (OAR English)
  
• Osservatorio Astronomico di Roma - Sede di Monte Porzio (English)
  
• Osservatorio Astronomico di Torino - (OATo English)
  
• Osservatorio Astronomico di Trieste - (OAT English)
  

  P

• Palomar Observatory
  
• Perkins Observatory
  
• Perth Observatory
  
• Perugia University Astronomical Observatory
  
• Pic du Midi Observatory (France)
  
• Pieri Astronomy Observatory - (PAO)
  
• Pine Mountain Observatory
  
• Pises Observatory
  
• Poznan Astronomical Observatory
  
• Public Observatory of Frankfurt
  
• Puckett Observatory
  

  Q

• Queen's University Observatory
  

  R

• Robinson Lunar and Planetary Observatory
  
• Rosemary Hill Observatory - (RHO University of Florida)
  
• Rothney Astrophysical Observatory - (RAO)
  
• Royal Greenwich Observatory - (RGO)
  
• Royal Observatory, Edinburgh - (ROE)
  

  S

• Sacramento Peak Observatory
  
• Saji Astronomical Observatory (Japan)
  
• San Francisco State University Observatory
  
• SARA 0.9-m Telescope at KPNO
  
• Sea of Galilee Astrophyscial Observatory
  
• Seven Hills Observatory
  
• Sky View Observatory
  
• Smithsonian Astrophysical Observatory - (SAO)
  
• Sommers-Bausch Observatory - (University of Colorado at Boulder
  
• Sobaeksan Astronomy Observatory, Korea
  
• Sonoma State University Observatory
  
• South African Astronomical Observatory
  
• Southern Observatory for Astronomical Research - (SOAR)
  
• Stephen F. Austin State University Observatory
  
• Steward Observatory
  
• Stockholm Observatory
  
• Strasbourg Astronomical Observatory
  
• Stratospheric Observatory For Infrared Astronomy - (SOFIA)
  
• Swabian Observatory Stuttgart (Germany)
  

  T

• Tartu Observatory - (Estonia)
  
• The Loiano Telescopes - (Bologna)
  
• Three College Observatory - (TCO) University of North Carolina
  
• Thüringer Landessternwarte Tautenburg - Karl-Schwarzschild Observatorium - (TLS)
  
• Telescopio InfraRosso del GOrnergrat - (TIRGO)
  
• Tokushima Kainan Observatory - (Japan)
  
• Tuorla Observatory - University of Turku
  
• Turtle Star Observatory
  
• Tycho Brahe Observatory
  

  U

• UK Infra-Red Telescope - (UKIRT)
  
• UK Schmidt Telescope - (UKST)
  
• UMass Dartmouth Observatory
  
• University of California Observatories - (UCO Lick Observatory)
  
• University of Hawaii IfA: 2.2m Telescope
  
• University of Hertfordshire Observatory - (UHO)
  
• University of Iowa Automated Telescope Facility
  
• University of Ljubljana, Slovenia, Astronomical Observatory
  
• University of Michigan Observatories
  
• University of Texas, Austin - (McDonald Observatory)
  
• University of Warsaw Astronomical Observatory (Poland)
  
• University of Toronto Southern Observatory - (UTSO - Las Campanas)
  
• Uppsala Astronomical Observatory
  
• U.S. Naval Observatory - (USNO)
  

  V

• Van Vleck Observatory - (Wesleyan University)
  
• Very Large Telescope Project - (VLT)
  
• Volkssterrenwacht Mira - (Mira Public Observatory Belgium)
  

  W

• Wallace Astrophysical Observatory
  
• Warren Rupp Observatory
  
• Whately Telescope - (University of Massachusetts)
  
• Whole Earth Telescope (WET - The University of Texas at Austin)
  
• Whole Earth Telescope (WET - Iowa State University)
  
• WIYN - Indiana University
  
• WIYN - NOAO
  
• WIYN - University of Wisconsin
  
• Woodlands Observatory
  
• Wyoming Infrared Observatory
  

  X

  Y

• Yerkes Observatory
  
• Yunnan Observatory (People's Republic of China)
  

  Z