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I have 3 Mintron cameras - 2 b/w (GStar) and one colour one and have been using them for few years time now. If you are using your camera with maximum integration 128x it is important to use capture software that lets you to specify time lapse between the frames – 2.56 seconds. If you are using video capturing at 25 fs you are capturing 64 frames of same unchanged image every 2.56 seconds.
I use Astrovideo software that lets me to specify the delay between captures and it subtracts darks and stack images on fly. First I take 200 dark frames using “fixed align” and scale it. Then I take 3 to 10 subs of 20 images each using align feature of Astrovideo. Finally I stack subs in Maxim DL and remove bad pixels.
First image –Sub of 20 exposures
Second image – 4 subs stacked and bad pixels removed.
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