M33 - Spiral Galaxy in Triangulum
Imaged from Nova Scotia Fall, 2011 through a Canon 600mm f4.0 telephoto lens and 1.4X teleconverter using a Canon T3i DSLR.
This image is the result of stacking 90 frames for a total exposure time of 8 hours and 42 minutes.All were at f5.6 and ISO 800 on a modified Canon T3i DSLR at a focal length of 840mm.
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