Stellafane Observatory was created in 1924.
Madras Observatory was created in 1786.
Modra Observatory was created in 1988.
Manila Observatory was created in 1865.
Spanish National Observatory was created in 1790.
Pine Mountain Observatory was created in 1967.
Stellafane was created on 1926-08-08.
Morris Observatory was created in 1973.
Macfarlane Observatory was created in 1757.
Moore Observatory was created in 1978.
Behlen Observatory was created in 1972.
Jura Observatory was created in 1993.
Detroit Observatory was created in 1854.
Sphinx Observatory was created in 1937.
Armagh Observatory was created in 1789.
RIT Observatory was created in 1992.
Kevola Observatory was created in 1963.
Keeble Observatory was created in 1963.