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Observatories in DC

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 viewing times and outreach programs.

      1. Name:
      2. U.S. Naval Observatory (USNO)
      1. Address:
      2. 3450 Massachusetts Ave. NW
      1. Site/City:
      2. Washington
      1. State:
      2. DC
      1. Zip:
      2. 20392
      1. Phone:
      2. 202-762-1467
      1. Telescope:
      2. 26-inch refractor

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