Quote:
Originally Posted by AlexN
The image did look good.. But more exposure never hurts... 20hrs on some targets in my opinion isn't enough.... You have to draw the line somewhere, but I think with the quality of amateur mounts these days, doing multiple night imaging runs is not out of the question for anyone... I don't class an image as "Finished" until its hit 6hrs, even then I've been pushing to 9hrs recently, and as far as 22hrs on one image..
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This is not quiiiiite true Alex...it is mostly due to the fact that most of us use small aperture, large focal ratio scopes, we just need more aperture with FAST focal ratios, here is irrefutable proof:
http://www.astro-pics.com/images.htm