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Old 06-September-2003, 06:54 AM
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The Bad Astronomer The Bad Astronomer is offline
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Quote:
Originally Posted by AK
So is it cumulative, then? Can you add together 10 1-day exposures and have a 10-day exposure?
Sortof. It's not that straightforward, but yes, you can do it. The 10 images will be somewhat noisier (more "static") than a single image, but this is more than outweighed by numerous advantages. The techniques of CCD image reduction can be found on the web, if you are interested.
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