New Plymouth Observatory was created in 1920.
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.
University of New Hampshire Observatory was created in 1984.
New Plymouth was created in 1841.
New Plymouth Rangers was created in 1940.
New Plymouth Boys' High School was created in 1882.
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.