
Photographer:
Doug Hubbell
Object's Name:
NGC2024 Flame Nebula (Horse Head) Including Alnitak and
Alnilam (Two of the three bright stars in Orion’s belt)
Date Captured:
2/14/2010 and 2/15/2010
Equipment Used:
EON72, TRF-2008, F/11.4 Guide Scope, SSAG, and Atlas Mount.
Capture Software Used:
MDLE
Capture settings (duration, # frames, etc):
10 Minute Frames, 41 Total Frames taken, used 85% of the best frames, for a total exposure time of 5 hours 40 Minutes.
Processing Software Used:
MDLE
Deep Sky Stacker
Nebulosity
Fits Liberator
Photoshop CS2
Stepwise Description of Processing Technique:
Darks, and Flats were subtracted in MDLE
Converted RAW to Color in MDLE
Stacked Color Frames in DeepSkyStacker.
Used Sigma Clip stacking method.
Took STACKED image in Nebulosity, and separated the RGB channels into individual files (three).
Opened each FITS files in Photoshop with the FITS liberator plug-in.
Used an ArcSinh(x) stretch function with Auto Scaling.
After each (RGB) frame was opened in Photoshop...
I combined each channel into a NEW RGB Photoshop file.
While in Photoshop...
I used MANY CURVES iterations!
http://myastroimages.com/Astro_Imaging_ ... op_Curves/I used Levels too.
Used Noel Carboni's Action Tool Kit:
"Local Contrast Enhancement"
"Enhance DSO and Reduce Stars"
Used Annie’s Astro Actions 2.0:
“Enhance Galaxy Dust Lanes”.
I also used Photoshop's "Match Color" to enhance colors.
Additional Comments:
I saved each layer as I processed in photoshop, this shows the results of each step applied in sequence. Download 4MB, contains 17 jpg images. “flame_steps.zip”
http://tinyurl.com/yck6g8mView the full sized image here:
http://tinyurl.com/yerg2vq