Gaithersburg Latitude Observatory
Historic district in Maryland, United States / From Wikipedia, the free encyclopedia
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The Gaithersburg Latitude Observatory is a historic astronomical observatory on DeSellum Avenue in Gaithersburg, Maryland. It was established in 1899 as part of a system of six International Latitude Observatories to precisely measure the wobble of the Earth's rotating axis. The observatory building and adjacent monuments were designated a National Historic Landmark in 1989 as a testament to international scientific cooperation.[2] The observatory was taken out of service in 1982 after automation eliminated the need for human observations; the property is now owned by the city.
Quick Facts Location, Coordinates ...
Gaithersburg Latitude Observatory | |
Location | DeSellum Ave., Gaithersburg, Maryland |
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Coordinates | 39°8′12″N 77°11′57″W |
Area | 2.3 acres (0.93 ha) |
Built | 1899 (1899) |
Built by | Smith, Edwin |
NRHP reference No. | 85001578[1] |
Significant dates | |
Added to NRHP | July 12, 1985 |
Designated NHL | December 20, 1989 |
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