Hi Doug,
Good luck with the new ccd. The QHY8 certainly is a very nice ccd and hard to beat for the size and price in my view (no affiliations here either). I have had the chance to use one on my scope once and it really was great.
Hard to tell how stretched some of those images are and what this means in a practical sense - from my recollection with Kens QHY8 there was very little noise apparent in the images we obtained and I gather Ken rarely bothered with darks. Proof of the pudding is in the eating - look forward to seeing some nice shots.
Clear skies and happy shooting.
David
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