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Hi Lester, the picture publisher reprocess is a BIG improvement, brighter with more detail coming through.
It looks like you are under-exposing and need to push up your gain - more like 50%. If possible you could try a faster exposure than 1/10th second even if you need more gain and it appears grainier of the screen. Under-exposure contributes to the onion rings and I'm beginning to conclude that using too long an exposure (eg 1/10th instead of 1/20th) also contributes. At least that's been my experience.
I think a few have already suggested it, but you should download the 30 day trial of K3CCD tools (A google search would show you where) and try that as your capture program. It allows much more automation over filenames and has a lightmeter so you can ensure your capturing in the right range and a lot more ... it was well worth the ~$50 to keep it after 30 days.
cheers,
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