Robotic Lunar Observatory was created in 1995.
Modra Observatory was created in 1988.
Manila Observatory was created in 1865.
Stellafane Observatory was created in 1924.
Madras Observatory was created in 1786.
Red Barn Observatory was created in 2006.
Haleakala Observatory was created in 1961.
Dearborn Observatory was created in 1889.
Kiso Observatory was created in 1974.
Stellafane Observatory was created in 1924.
Steward Observatory was created in 1916.
Union Observatory was created in 1903.
Erbil Observatory was created in 1973.
Sherwood Observatory was created in 1970.
McKim Observatory was created in 1884.
Belogradchik Observatory was created in 1961.
Winfree Observatory was created in 1900.
Zimmerwald Observatory was created in 1956.