Thread: How deep is this image..?
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Old 21-08-2009, 08:41 PM
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CometGuy
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Join Date: Feb 2005
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Mike,

I converted your full size image to grey-scale, saved it as a fits file and ran it through Astrometrica. According to it you are detecting stars to mag 20.5 V, not bad for a 6" scope!

Terry
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