Quote:
Originally Posted by gregbradley
Got some good depth there. Too much green in the image. Pleiades is quite bluish. Try ACNR to get rid of the excess green and it'll make the colour balance a lot easier.
Halos. Try shorter subs.
Halos like that are from reflections. Are you using a reducer?
What brand filters are you using? Perhaps they don't have adequate anti reflection coatings. Astrodon Gen 1 filters developed halos when the larer 16803 sensor came out. They brought out Gen 2 filters with superior antireflection coatings and those sorts of halos became a thing of the past or at least not very common.
Greg.
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10-minute subs
astronomics filters
might have to switch - not very happy with them in general - I would have thought the focal length of the set would match and I wouldn't have to refocus between them - green is always the outlier and seems to need more focus correction than the others.
thanks for the advice. I will have another look at the ACNR in pixinsight and 5-minute subs and a lot more of them
cheers
Karen