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Old 16-03-2015, 03:54 PM
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Shiraz (Ray)
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Join Date: Apr 2010
Location: ardrossan south australia
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Quote:
Originally Posted by Paul Haese View Post
Like Rick I have noticed that invariably there is some gradient in the sky brightening caused from very high thin cloud. Using any of those subs affects the overall processing of the data and it is better to not use them. The use of such subs is worse in very faint objects.

Though if you don't have the luxury of collecting more data you can always use those subs and handle things via software to an extent.
seems to be that it's best to not use any subs where the sky signal in any part of the sub exceeds 2x normal - what criterion do you normally use?
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