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Circumpolar Star Trails over Num-Ti-Lodge, Banff (July 7, 2012).jpg
A composite of 233 images, taken with the Canon 5D MkII and 16-35mm lens, at Bow Lake in Banff, showing circumpolar star trails across the sky looking north over Num-Ti-Jah Lodge. Each image was 50 seconds, taken at 1s intervals at ISO 1250 and at f/4. Stacked in Photoshop using Chris Schur's Photoshop Action.