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Observatory

U.S. Naval Observatory (USNO)

U.S. Naval Observatory (USNO) is located in Washington, DC. Not all observatories are open to the public - please contact them beforehand for any public viewing schedules and outreach programs.

      1. Name:
      2. U.S. Naval Observatory (USNO)
      1. Open to public:
      2. Yes
      1. Address:
      2. 3450 Massachusetts Ave. NW
      1. Location:
      2. Washington
      1. State:
      2. DC
      1. Zip:
      2. 20392
      1. Telescope:
      2. 26-inch refractor


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