Added some Hydrogen-Alpha to M27

M27-Ha-L-RGB-CompositeI had captured an hour of high-res Ha data a month ago, on the same evening as when I captured the Luminance, but hadn’t done anything with it.

Here the Ha is mixed in with Luminance, increasing the intensity of the gas envelope in the nebula. The colour balance came out a little different, but I rather like it so I’m leaving it as is.

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