Good effort there John. Looks like a few minor registration problems between the RGB and luminance. Certainly some great details on display. Blinking two images, the colour rendition has a larger image scale or would appear to have been cropped differently. Just for reference, I would suggest you register the RGB to the Luminance and not the other way around. Upscaling the luminance can be done, but the results aren't always pleasing. If you want to get tricky, you can upscale then combine to create a new "super" LRGB, then downscale this to match the luminance again. This maintains star shapes reasonably well. Keep up the good work. Look forward to seeing more.
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