Quote:
Originally Posted by Placidus
Greg, that 25 hour shot is seriously deep. We've not done it with the Aspen, but an older STL11000 shot with 11hrs luminance plus colour on the 20" does not show anywhere near as much of the outermost spiral arm. Well done.
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Yes that arm is pretty faint. There is also some CDK17 data in that - about 5 hours. So its 4 scopes and 4 different cameras over 7 years!
I do like NGC6744!
Greg.