Canopus Hill Observatory was created in 197#.
Rosemary Hill Observatory was created in 1967.
Orchard Hill Observatory was created in 1965.
Blue Hill Meteorological Observatory was created in 1885.
Canopus in Argos was created in 1979.
Canopus Corporation was created in 1983-04.
The phone number of the Blue Hill Observatory Science is: 617-696-0389.
Jura Observatory was created in 1993.
Detroit Observatory was created in 1854.
Sphinx Observatory was created in 1937.
Ursa Observatory was created in 1926.
Carter Observatory was created in 1937.
Corralitos Observatory was created in 1961.