Quote:
Originally Posted by DavidTrap
Who uses a stack of long dark frames (eg. 30mins) and lets the software scale it back for image processing and who uses appropriately matched dark frames (eg. 30sec, 5min, 15min)?
Reason for asking - time for me to redo my dark library, and wondering what is the consensus??
ta
DT
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I use darks of 20min because I figured it's the longest I'll ever practically expose for. I scale them all the time when calibrating in CCD Stack. Lately I've been doing 5min or 10min subs and always use the 20min master.