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Old June 15th 08, 09:33 PM posted to alt.binaries.pictures.astro
Richard Crisp
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Default ASTRO: Another of the flatfield challenged first light images from the PL9000

this one has Halpha in it too. There is 10 x 5 minutes Ha, R,G, B

I mixed the halpha 50/50 into the red and put 25% into the blue to mimic the
Hbeta line emission

http://www.narrowbandimaging.com/m16...hargb_page.htm







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