Thanks Marc. I think this has fixed it, although I think the problem with the stars is partly optics/focus - not so bad this time round. I was careful with all black and white point clipping.
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was that taken with the 1000D w/ eos clip filter and the ed80?
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Hi Max - it was
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how many subs did you take? were they all with filter or some without?
did they come out bluish? how did you got rid of it?
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11 subs between 3 and 4 minutes each, all with the filter.
They were bluish. In Pixinsight, I calibrated the colour and neutralised the background. To recover the colour and luminosity I did a LRGBCombination on the luminance channel. I don't know how to do that in PS.
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