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Old 25-08-2009, 04:29 AM
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iceman (Mike)
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Join Date: Sep 2004
Location: Gosford, NSW, Australia
Posts: 36,799
Wow Mark, that's a super image for your first RGB! Excellent work.

When Io or its shadow is transiting, I usually limit the capture to 30s per channel, but even then you'll get some fringing on the shadow or moon.

You can easily make a copy of your image, re-align the channels on the moon/shadow, and selective-copy just that area back over the top of your jupiter image.
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