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M51 Super Nova

SuperNova in M51 SN2011dh Tom Reiland of Glenshaw Pa. 4:32 UT, 6/2/11

Sky & Telescope http://www.skyandtelescope.com/community/skyblog/observingblog/123110228.html

This is a single 10min luminance exposure

 

20110602_M51_Super Nova

 

 

This is a 4hr luminance image of M51

 

Mean 20110602 M51

 

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