Quote:
Originally Posted by solissydney
A single 10 min image of M27 at iso 800 using my 5D mk ll taken before packing up for the night.
Can't wait for another Moonless night to take more images @ iso 400
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Ken I would take advantage of the 5DMkII's lovely image quality and bump up the ISO instead of going down to ISO400.
Then shorten the exposure a little so you avoid going close to skyglow limit. Then stack a few and apply darks and flats.
Imagine 10 or 20 of those stacked up together. 
