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Old 06-01-2013, 07:43 PM
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rogerg (Roger)
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Join Date: Feb 2006
Location: Perth, Western Australia
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I've been playing with Maxim some more. It's photometry tool seems very easy to use and quite powerful, as well as having documentation.

I'm still learning ... particularly with regard to what aperture size and annulus size to use, but have a new plot. By changing the aperture down, the estimated mag is quite different, now 14.557 being the most recent reading from last night.
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