Findings:
- South African Astronomical Observatory
- Vatican Observatory
- Laser Interferometer Gravity-wave Observatory
- Lick Observatory
- Hat Creek Observatory
- Compton Gamma Ray Observatory
- Yerkes Observatory
- Large Binocular Telescope Observatory
- Chandra X-Ray Observatory
- Palomar Observatory
- Mount Stromlo 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
- astronomical
- International Astronomical Union
- Astronomical spectroscopy
- Zephronias is unfriendly to new noders, like, sometimes but not always. Depends on several astronomical variables
- Armagh Observatory
- Observatory
- Kirkwood Observatory
- Barnard Observatory
- Sudbury Neutrino Observatory
- Arecibo Observatory
- Royal Greenwich Observatory
- Cerro Tololo Interamerican Observatory
- Paris Observatory
- astronomical unit
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