Image 1 of 1
Open House at the Rothney Observatory (May 27, 2017).jpg
Public stargazing at the May 27, 2017 Open House at the Rothney Astrophysical Observatory, near Calgary, Alberta, on a fine spring evening with a beautiful sunset. The waxing crescent Moon is to the left in the west over the Rockies. A great aurora display followed after nightfall.