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For reference I have been using Darks, Flats & Bias in DSS, however I was starting to get artifacts (blue speckles in final image) on longer exposures over 1 min. I traced this back to the the orginal quality of my darks frames, hence my interest in comparing the initial dark frame output quality between difference DSLR's.
Below is example of post processed image (100% crop) from DSS, before processing in Photoshop.
Cheers
David
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