This morning I captured Comet NEOWISE c/2020 f3 (see other post). I had to "hand-stack" my comet's images (with GIMP) because there were insufficient stars to register the 6 frames I had (otherwise I would have used DSS). Here is a comparison of one frame and my stack of 6, enlarged about 300%. It pays to stack, one way or another! (see photo below to see a larger view that shows the difference).
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