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Old 25-11-2017, 07:37 PM
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graham.hobart (Graham stevens)
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Join Date: Nov 2008
Location: hobart, tasmania
Posts: 1,996
colour balance with CLS filter

I have a bunch of subs of the Helix Nebula taken with a cooled DSLR and a CLS filter. I am having terrible trouble getting it colour balanced. it is way too blue. I tried in PShop and also wipe and colour bias in Star tools. If I get rid of the cast it loses the faint outer rings.
Help please.
I can post it but it's a TIF currently so its a big file.
Graham.
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