Quote:
Originally Posted by telecasterguru
Marc,
Thanks for the info.
I am just glad that I finally made a decision on the camera. I had to take the plunge and now there's no looking back.
Would the ATIK be a good match for the RC10" and longer subs imaging planetary nebula?
Frank
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Just plug your RC FL in mm in the formula below and it will give you your image scale. Anything around 1-1.5asp is good. 2-3 good for widefields. Under 1 to 0.5 need AO or very good seeing.