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Old 12-01-2011, 08:01 PM
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Bassnut (Fred)
Narrowfield rules!

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Join Date: Nov 2006
Location: Torquay
Posts: 5,064
Quote:
Originally Posted by marki View Post
My max exposure is about 15 mins so I took 10 dark frames at -20 degrees for 75 mins each and combined them into a master darkframe. I use the master dark to calibrate all my pics even when the exposure is only 5 mins or even as little as 30 secs.
Mark
Thats very odd, makes no sense to me
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