Findings:

• Vatican Observatory
• Lick Observatory
• Hat Creek Observatory
• Compton Gamma Ray Observatory
• Yerkes Observatory
• South African Astronomical Observatory
• Large Binocular Telescope Observatory
• Chandra X-Ray Observatory
• Palomar Observatory
• Laser Interferometer Gravity-wave Observatory
• U.S. Naval Observatory
• Harvard College Observatory
• Kitt Peak National Observatory
• United States Naval Observatory
• From the Earth to the Moon: 4: Reply from the Observatory of Cambridge
• ghostland observatory
• Radcliffe Observatory
• Keck
• Kirkwood Observatory
• Mount Stromlo Observatory
• Paris Observatory
• Cerro Tololo Interamerican Observatory
• Royal Greenwich Observatory
• Arecibo Observatory
• Sudbury Neutrino Observatory
• Barnard Observatory
• Observatory
• Armagh Observatory
• Alice Keck Park Park
• Keck telescope

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