The Ghost of Cassiopeia
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ASI2600MM R(2.5h),G(3.1h),B(4h),Lum(1.5h),Ha(5h),S(4.7h) 21h
The faint object Ghost of Cassiopeia (IC59/IC63) is both an emission nebula (the glowing red Hydrogen) and a reflection nebula (the blue clouds illuminated by the star).
This image was taken using a monochrome camera and lots of time.
Two years after taking that image I processed the data with my current workflow.
The original edit looked like this: