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M41 and Sirius (Bino FIeld).jpg
Open cluster M41 in Canis Major, below Sirius. Little nebula at left is Sharpless 2-301. This is a stack of 3 x 2 minute exposures in hazy skies with Canon 5D MkII at ISO 800 and Canon 135mm lens at f/2.8. Taken January 6, 2011. Field of view simulates binocular field.