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Orion, Sirius & Taurus.jpg
Orion, Sirius and Taurus with Canon 5D MkII and 24mm Canon L-series lens at f/4 for stack of 4 x 4 minutes at ISO 800 and 2 x 4 minutes with Kenko Softon filter for star glows. Taken Jan 16, 2010. Landscape masked so only the landscape from one image used in composite, but sky is stack of 6 images. Taken from southern Alberta, Canada.