Manila Observatory was created in 1865.
Stellafane Observatory was created in 1924.
Modra Observatory was created in 1988.
Madras Observatory was created in 1786.
Pine Bluff Observatory was created in 1958.
Hangin' Around the Observatory was created in 1974.
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.