Is your sampling matched to your optics and seeing?
e.g. 4.17 µm = Sony A1 II
Pixel scale
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🔭 Rule of thumb: sample at 1/3 to 1/2 of your local seeing. If your pixel scale is much below ~1″/px you’re over-sampling (fine for deep-sky detail); much above ~2–3″/px you’re under-sampling (soft stars).