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Friday, January 18, 2008

Bubble reprocessed

This is a last reprocessed Bubble nebula, I promice.
From the scratch this time.
H-alpha luminance and RGB combination is more complicate, than I tought.
80% Ha >R-channel, 15% Ha > B-channel and G-channel 0%
Ha R-channel then used as luminance with 25% opacity.
2h RGB with UHC-s
4h H-alpha 7nm
More natural appearance this time, I think.

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