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Old 04-08-2009, 09:58 PM
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multiweb (Marc)
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Join Date: Oct 2007
Location: Sydney
Posts: 22,080
Lagoon - Hubble palette *REPROCESSED*

Reprocessed Link: Full frame is at: http://www.multiweb.com.au/astro/M8_SiiHaOiii_nf.jpg [2.9MB]

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This is 7h of Sii, 5h of Oiii and 4h of Ha accumulated bits and pieces over the past few weeks. Luminance done from a stack of the three channels. I weighted the ratios 4:1:2 then tweaked until I got whitish stars. Turned out pretty blue and green but the stars didn't go too pink or red so I figured I had the ratios right. Googled up a bit of M8s on the internet, saw some red ones, some green ones etc... and it looked like the blueish green was the way to go. Anyway it's NB so the issue is moot but I managed to keep the processing "natural" as I had so much data to play with.

There's a full frame here at: http://www.multiweb.com.au/astro/M8_SiiHaOiii_f.jpg [2.4MB] if you want to have a closer look. Comments/tips most welcome (besides it's too green ... the little green men made me do it ... )
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Last edited by multiweb; 06-08-2009 at 02:36 PM. Reason: Reprocessed Sii and curves
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