M81 and M82 with Canon 300 f/4 x1.4
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Date: 2/22/2006
Location: Ada, MI
Optics: Canon 300 @f/4 (w/ Sigma 1.4x TC)
Mount: Tak NJP
Camera: Starlight Xpress SXV-H9
Exposure: LRGB L=23x3min L filter unbinned, R=G=B=7x3min unbinned, R enhanced with 6x6min Ha, Astronomik (168 minutes total)
Note: Captured, no darks or flats, aligned, SDMask combined, color combined in MaximDL. Luminance Layering and Final Processing in PS CS.