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Old 06-04-2015, 09:42 PM
dylan_odonnell (Dylan)
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Join Date: May 2014
Location: Byron Bay, Australia
Posts: 386
How to measure the magnitude of stars in an astrophoto?

I took a sub tonight of the Rosette Nebula at high magnification and am curious to know the magnitude of the faintest stars in the image so I can estimate future target potential. I haven't the faintest idea where to start (pun intended). Any tips?
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