Horsehead Nebula

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Image Details

Optics: Astro-Physics 155 EDFS f/6 (acheived with 0.75x Photo Visual Telecompressor 27TVPH)
Mount: Software Bisque Paramount ME.
Camera: SBIG ST10 XME with CFW8A.
Filters: Custom Scientific 4.5nm SII, H-alpha, OIII. 
Date: January 2007. 
Exposure: SII:Ha:OIII = 240:120:240 minutes binned 1x1.
Acquisition: CCDSoft 5, TheSky6, CCDAutoPilot3. 
Processing: CCDStack, Registar, Noise Ninja, Photoshop CS.  The H-alpha data was used at 50% opacity for the luminance information.