M27 - The Dumbbell Nebula
From the author of Sizing Up The Universe
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Less aggressive processing.
Darker background (might look better in a darker room).
21:14 EDT July 23, 2006.
Starlight Express SXV-H9 on 10" RCOS at f/9.
Ha = 64 min, O-III = 96 min
L = Ha+OIII, R = Ha,
G = O-III, B = O-III
(guided 4-minute subexposures).
Richardson-Lucy deconv, Gamma stretch.