🔭 Old Naval Observatory

United States · Americas · 38.90°N, 77.05°W

The Old Naval Observatory is a historic site at 23rd and E Street in Northwest, Washington, D.C. It is where the United States Naval Observatory was located from 1844 to 1893, when it moved to its present grounds. The original observatory building, built 1839–40, still stands, and is a designated National Historic Landmark as of 1965. The Washington meridian of 1850 passes through the Observatory.

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Quick facts

Country	United States
Continent / region	Americas
Coordinates (approx.)	38.90°N, 77.05°W · view on map

Old Naval Observatory is located in United States, in Americas.

More observatories in United States

Adolphson Observatory · Allegheny Observatory · Anderson Mesa Station · Angell Hall Observatory · Apache Point Observatory · Apollo Observatory · Arecibo Observatory · Ashton Observatory · Astronaut Memorial Planetarium and Observatory · Astronomical Observatory (University of Illinois Urbana-Champaign).

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