Leoncito Astronomical Complex was created in 1983.
El Leoncito National Park was created in 1994.
Uppsala Astronomical Observatory was created in 1741.
Brooks Astronomical Observatory was created in 1964.
Astronomical Observatory of Capodimonte was created in 1812.
Astronomical Society of India was created in 1972.
International Astronomical Union was created in 1919.
British Astronomical Association was created in 1890.
Sutherland Astronomical Society was created in 1961.
Barnard Astronomical Society was created in 1923.
Serbian Astronomical Journal was created in 1936.
American Astronomical Society was created in 1899.
Astronomical Society of the Pacific was created in 1889.