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Wednesday, May 26, 2010

M16, reprocessed





M16, the "Eagle nebula"



Close up.

Less compressed images here:
http://astroanarchy.zenfolio.com/p80640150

I did this one again, since I carried away with processing at previous version!
"Less is more" as usually.
I haven't used to process so good data, than the Northern Galactic members telescope delivers.
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16" RCOS ja Apogee U9000 camera. 
LRGB combo.
H-alpha 5x1200s, O-III 2x1200s, S-II 2x1200s . Dark and Flat calibrated.
Raw data is shared with Petri Kehusmaa and J-P Metsavainio

Processing workflow:
Image acquisition, MaxiDL v4.xxx
Stacked and calibrated in CCDStack.
Deconvolution with a CCDSharp, 30 iterations.

Levels, curves and color combine in PS CS3.
Narrow band lines are mixed to a HST-palette (Used generally with Hubble Space Telescope)
Red=S-II, Green=H-alpha and Blue=O-III

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Original Blog post here, processing  looks little heavy handed:

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