The video stream was recorded in HQ on DVD. The frames were extracted dircetly from DVD and 281 frames were used (the best 90%) by Deep Sky Stacker to produce the image. A 75% scaled dark frame was used.
This is the image of Caldwell 27 (The Crescent Nebula) obtained.
Caldwell 33, (The Eastern Veil Nebula) was revealed nicely when the best 90% of 176 frames were stacked in Deep-Sky Stacker using a 75% scaled dark-frame.
This image of M82 was derived from the best 95% of 176 frames stacked in Deep Sky Stacker with a 75% scaled dark-frame subtraction.
This image of M13 was derived from 300 frames registered in Deep Sky Stacker and corrected with a scaled dark-frame
The colour balance and levels were adjusted in The Gimp.
Take a look at my eBook on Observing and Imaging the Sun with modest equipment
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