M101 Pinwheel Galaxy with Supernova

M101 Pinwheel Galaxy with Supernova in the constellation Ursa Major. Distance: 21 Million light years.
Size: 170,000 light years. Apparent size: 28 arc minutes
Equipment: Celestron 11 GPS on a wedge, Hyperstar 3 (F2), Canon 350, Rebel XT
Image: 22 Second exposures @ 800 ISO X 50 stacked images
Date: 9/17/2011. Location: Tucson, AZ
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