Astronomical Observatories

• Arecibo Observatory
• Cerro Tololo Inter-american Observatory
• European Southern Observatory
• Extreme Ultraviolet Explorer
• Fred Lawrence Whipple Observatory
• Harvard College Observatory
• Hubble Space Telescope
• International Ultraviolet Explorer
• Jodrell Bank Observatory
• Kitt Peak National Observatory
• Lick Observatory
• Lowell Observatory
• Mauna Kea Observatories
• Mcdonald Observatory
• Mount Hopkins Observatory
• Mount Stromlo Observatory
• Mount Wilson Observatory
• Nuffield Radio Astronomy Laboratories
• Observatory, Orbiting
• Orbiting Astronomical Observatory
• Orbiting Geophysical Observatory
• Orbiting Solar Observatory
• Pulkovo
• Siding Spring Observatory
• Yerkes Observatory