Horsehead NGC7814 Horsehead

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Date: October, 2008
Exposure: LRGB - 240m : 165m : 165M : 225m
24 x 600s L, 11 x 900s R, 11 x 900s G, 15 x 900 B
Processing: CCDAutoPilot4 used to collect data over multiple nights. CCDSoft for image acquisition, CCDStack on a x64 Vista machine for Image calibration, Astrodon LRGB filters (35 flats each L,R,G,B, Bias subtracted and Sigma Clip combined, 65 bias frames Sigma Clip combined, 40 x 900s darks Sigma Clip combined), alignment, normalization, FITS master files creation, and RGB raw TIFF creation. Photoshop CS2 for final LRGB processing, final layers adjustment and jpg conversion for the website.
Conditions: Good to Excellent, Mag 6-7 Skies
Scope: RCOS 10" Astrograph
Camera: SBIG ST-10XME, -20°
Comments: One of the beautiful edge on galaxies I have been trying to capture for a long time. Conditions were finally right.