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Nice test Anthony.. thanks for posting it. I'm still a very happy owner of my CentralDS Astro40D and having been using it on Comet Lemmon over the weekend.. in 30 degrees ambient I'll take any cooling I can get!
One thing that would be interesting to test as well is how a single dark frame looks after subtraction of an average dark frame. ie.. to what extent are those hot pixels repeatable (and can therefore be subtracted out) and how much is actually random noise?
Phil
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