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Old 11-02-2012, 10:18 PM
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pvelez (Pete)
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Join Date: Aug 2006
Location: Sydney
Posts: 1,250
HaLRGB for Dummies

The imaging window opened for the first time this year for me last weekend. With so much moon about, I dashed off to Bintel and picked up a Ha filter.

I am now the proud owner of an hour of Ha data for the Tarantula. I've managed to collect some more RGB and L tonight before Mr Moon showed his face again.

So - now what do I do with it? I have been combining LRGB with a combination of Maxim and Photoshop. I also had a play with the technique of combining Ha and L into a single L frame using the Lighten blend mode on PS. The tutorial at

http://www.mistisoftware.com/astronomy/Process_m8.htm

is very helpful. However, I can't get the colour balance right. Perhaps I don't have enough RGB data - I will see tomorrow when I have a chance to play with it.

In case that is not it, can anyone point me to an online tutorial giving some alternatives for combining Ha with LRGB?

Thanks team

Pete
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