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Overall very nice but the stars seem too large. I suspect your focus was off a bit, close but not exact. The stars with a TOA should be tighter than that.
You can compensate by doing some deconvolution on the master LRGB subs - maybe 80 iterations, positive constraint in CCDstack.
Do you use a robofocus or similar? Also focus with an APO can shift with temperature changes. Different scopes have different sensitivities to focus shift and temperatures.
Greg.
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