American Astronomical Society National Astronomical Observatory of Japan Warkworth Radio Astronomical Observatory South African Astronomical Observatory Indian Astronomical Observatory Orbiting Astronomical Observatory Astronomical Netherlands Satellite Orbiting Astronomical Observatory 2 Satuan astronomi Persatuan Astronomi Internasional Himpunan Astronomi Amatir Jakarta
American Astronomical Society
National Astronomical Observatory of Japan
Warkworth Radio Astronomical Observatory
South African Astronomical Observatory
Indian Astronomical Observatory
Orbiting Astronomical Observatory
Astronomical Netherlands Satellite
Orbiting Astronomical Observatory 2
Satuan astronomi
Persatuan Astronomi Internasional
Himpunan Astronomi Amatir Jakarta
National Astronomical Observatory of Japan
Warkworth Radio Astronomical Observatory
South African Astronomical Observatory
Indian Astronomical Observatory
Orbiting Astronomical Observatory
Astronomical Netherlands Satellite
Orbiting Astronomical Observatory 2
Satuan astronomi
Persatuan Astronomi Internasional
Himpunan Astronomi Amatir Jakarta