Gaithersburg Latitude Observatory, Gaithersburg
Facts and practical information
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. 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. ()
100 Desellum Ave.GaithersburgGaithersburg 20877
Gaithersburg Latitude Observatory – popular in the area (distance from the attraction)
Nearby attractions include: Lakeforest Mall, Beall-Dawson House, Rockville Town Square Outdoor Ice Skating, Washington.