Markarian's Chain with Sigma 150mm f/2.8
(click image for Full resolution image)
Location: Ada, MI
Optics: Sigma 150 @f/2.8
Mount: Tak NJP
Camera: Starlight Xpress SXV-H9
Exposure: L=21*3min L filter unbinned (63 min total)
Note: Captured, no darks or flats, aligned, SDMask combined in MaximDL. Luminance Layering and Final Processing in PS CS.