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Stars over Prince of Wales Hotel-July 20, 2011 (8mm 5DII).jpg
Stars and Milky Way over Waterton Hotel, Waterton Lakes National Park, July 20, 2011. This is one frame of 470+ frames taken for a time-lapse movie over 4 hours. This is a single 30-second exposure at f/4 with the Sigma 8mm lens at Canon 5D MkII at ISO 1600. The Moon is about to rise at right, giving a sky glow to the horizon while some deep blue twilight remains.