Another fantastic image Tim. You are really productive. They are all at a very high standard.
Another approach to a colour fringe with stars is to match the star sizes better before colour combine using decon on the filtered image that has enlarged stars. Seeing varies, wind, tracking variations, high cloud can all mean one set may have slightlt larger stars than the others.
Also double check your registration. I have had it happen occasionally where some subs refuse to register accurately. That's when I nuke them with Registar! Resistance then is futile and they align. Hehehe
Greg
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