Horsehead NGC 2264 Horsehead

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Date: January 1 - March 17 , 2008
Exposure: LHaRGB - 120m : 1230m : 230M : 220m : 230m
12 x 600s L, 41 x 1800s Ha, 23 x 600s R, 22 x 600 G, 23 x 600s B
Processing: CCDAutoPilot3 used to collect data over multiple nights. CCDSoft for image acquisition, CCDStack on a x64 Vista machine for Image calibration, Astrodon LRGB filters (15 flats each L,R,G,B, Bias subtracted and Sigma Clip combined, 25 bias frames Sigma Clip combined, 24 x 600s darks Sigma Clip combined, 30 x 1800s darks Sigma Clip combined), alignment, normalization, FITS master files creation, and RGB raw TIFF creation. Ha was combined with the Lum image using both Maximum and Minimum combine routines. Photoshop CS2 for final LHaRGB processing, final layers adjustment and jpg conversion for the website.
Conditions: Good to Excellent, Mag 6-7 Skies
Scope: FSQ-106N
Camera: SBIG STL-11K, -25°
Comments: North mount (Sierra-Remote Observatories - ). This was taken over multiple nights.