Fred, Yes this is an LRGB. It's a 4 image mosaic. Typically each image would be 6 hours luminance (36 10 min subs) and 1.5-2 hours in each color channel (18-24 5 min subs binned 2x2)
Oh, my! Anyone veiwing this...do yourself a favor and view the full sized image...simply incredible. It is like you are looking out the window of a spacecraft...a really clean window. Nice work Alistair!
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