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Sunday, September 28, 2008

Butterfly Nebula, Colors of Autumn

I made some tests about colorbalance. I looked more closely
O-III channel and compared it to the H-alpha channel.
There was some large scale differences between those two.
This experiment is done to make those differences more visible.
Green channel is synthesized from O-III and H-alpha channels.
I think, this color scheme is very suitable for season up here.

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