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Observatories in MN

O'Brien Observatory

O'Brien Observatory is located in Marine on St. Croix, MN. Not all observatories are open to the public - please contact them beforehand for any viewing times and outreach programs.

      1. Name:
      2. O'Brien Observatory
      1. Address:
      2. 621 Nason Hill Rd N
      1. Site/City:
      2. Marine on St. Croix
      1. State:
      2. MN
      1. Zip:
      2. 55047
      1. Phone:
      2. 651-433-3425
      1. Telescope:
      2. 30-inch Cassegrain

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