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Old 20-01-2009, 06:51 PM
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Quark (Trevor)
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Quark is offline
Join Date: Apr 2008
Location: Broken Hill NSW Australia
Posts: 4,012
Originally Posted by Octane View Post
Hi Trevor,

No problem.

One more thing, make sure you're shooting at ISO-100, it's very easy to forget that you were imaging at ISO-400, or what have you, and then go and take flats at the same ISO.

Hi Again Humayun,

Just finished re processing with the ISO 100 flats, looked no different until I zoomed both images and there was definitely less noise in the image that was calibrated with the ISO 100 flats, why is it so?

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