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      astronomical observatories at Ottawa, Canada

    • Dominion Observatory
      3km
      website
      Observatory House,Central Experimental Farm, front veiw
      Observatoire Dominion - 2
      Observatory House, Central Experimental Farm, Clock
      Dominion Observatory, Ottawa (2005)
      Main Observatory at Central Experimental Farm
      Dominion Observatory on the grounds of the Central Experimental Farm, Ottawa (50276307286)
      Dominion observatory 3
      Dominion Observatory
      Dominion Observatory Ottawa 2022
      Dominion Observatory, Ottawa, by Wilder
      Ottawa Observatory (262448997)
      Observatoire Dominion - 1
      Observatory House,Central Experimental Farm
      Observatoire Dominion - 3
      Dominion Observatory 2
      Central Experimental Farm 6