Horsehead LBN 529 Horsehead

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Date: September 14 - September 17 , 2007
Exposure: LRGB - 410m : 220m : 210M : 220m
41 x 600s L, 22 x 600s R, 21 x 600 G, 22 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), 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: FSQ-106N
Camera: SBIG STL-11K, -25°
Comments: North mount (Sierra-Remote Observatories - ). This was taken over multiple nights.