[multiweb (Marc)]

Originally Posted by batema

Thanks Marc. I only use photoshop so am unsure what drizzle is. Once I combined the halum with rdb I used the high pass filter a couple of times and cut the stars to original but found a lot of redness in the smaller stars so selected them and did a colour noise reduction which made them less red. I really have no set procedure and just try different things. I haven't been able to find a procedure on line so if anyone could point me in that direction I would appreciate it.
Mark

I was just wondering because your higher res shows little patterns in the dark areas like a bayer matrix. But might be astrobin uploader introducing compression artefacts.