Name: Georgetown University Astronomical Observatory

Street Address: Heyden Memorial Garden, West Rd

City, State  Zip: Washington D.C.  20007

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Name: Phoebe Waterman Haas Public Observatory - located at the National Air and Space Museum

Street Address: 600 Independence Ave SW

City, State  Zip: Washington D.C.  20560

Phone: (202) 633-2214

Website: https://airandspace.si.edu/

External Link: Phoebe Waterman Haas Public Observatory - National Air and Space Museum

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Name: United States Naval Observatory

Street Address: 3450 Massachusetts Ave NW

City, State  Zip: Washington D.C.  20392

Phone: (202) 762-1467

Website: http://www.usno.navy.mil/USNO

External Link: United States Naval Observatory

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