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Old 05-02-2008, 06:00 AM
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Albert van Duin
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Albert van Duin is offline
 
Join Date: Aug 2006
Location: Beilen, Netherlands
Posts: 10
Quote:
Originally Posted by tornado33 View Post
Question. Would it be better to use the ISO800 NR on, or off and leave any software NR to processing software? I always thought it might be best to get images as raw and unprocessed as possible from the camera, then do the dark subtraction and flatfielding, and any noise reduction in your favourite astro processing software (in my case Iris as its free and works ok)
Scott
Hi Scott,

I would defenitely switch the automatic NR off and make separate dark and bias frames (and flats as well). Iris is a fine software package and you should be able to get good results, but nowadays I am lazy and use ImagesPlus. It makes life very easy.

Albert
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