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Old 06-03-2012, 04:41 PM
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gregbradley
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Join Date: Feb 2006
Location: Sydney
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Still looking very good. Not sure how different it is as I don't fully remember the first version. But I think its got a bit more bluish grey whispy detail separate from the maroony red neb.

I got that you use Ha as red in lighten and also screen. Screen mode makes the reds brighter but that doesn't give you the deep maroon.
Do you use selective colour to add magenta to the red to bring out that deep maroon?

I was planning a deeper shot of M42 with an almost identical setup of the AP140/PL16803. It would be almost identical although I think the AP is a tad longer focal length.

Greg.
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