Observatory
Royal Observatory, Greenwich
Keck Observatory
Underwater Observatory Marine Park Eilat
Lick Observatory
Berlin Observatory
Melbourne Observatory
Palomar Observatory
Shamakhi Astrophysical Observatory
La Silla Observatory
Karl Schwarzschild Observatory
Kitt Peak National Observatory
Jodrell Bank Observatory
Public health observatory
Purple Mountain Observatory
Crimean Astrophysical Observatory
Prescott Observatory
Las Campanas Observatory
Linguasphere Observatory
National Astronomical Observatory of Japan
Arecibo Observatory
Deep Carbon Observatory
Siding Spring Observatory
Reedy Creek Observatory
Mount Stromlo Observatory
Herschel Space Observatory
Chandra X-ray Observatory
Number One Observatory Circle
Sahara and Sahel Observatory
Great Observatories program
Orbiting Carbon Observatory
Santa Lucia Stroncone Astronomical Observatory
Space observatory
Cape May Bird Observatory
European Southern Observatory
Kepler (spacecraft)