M51, LRGB, Aug 23, 2011 first draft

M51 first draft LRGB combination. 90 minutes of Luminance, and 60 each of Red, Green, and Blue binned 2×2. QSI583 camera on an AT8RC, autoguided with a Lodestar, all on a Losmandy G11.

M51-Colour-Balanced-1

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