Quote:
Originally Posted by Paul Haese
QSI583, during winter it holds -20C easily. Spring the same. Summer most nights -15C, rarely -20C. Darks done every 3-4 months. The images start to show black squares and this tells me it is time for new darks.
Clive if you can do -20 or -25C all year around then do that.
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Exactly my experience with the same camera. 90 percent of the time I run at -20C and in summer -15C usually with 5 or 10 min subs.