Horsehead NGC4567 Horsehead

(Click on image for Full Resolution)

Date: May, 2012
Exposure: LRGB - 390m : 165m : 165M : 285m
26 x 900s L, 11 x 900s R, 11 x 900s G, 19 x 900 B
Processing: CCDAutoPilot4 used to collect data over multiple nights. CCDSoft for image acquisition, CCDStack on a Win 7 64 bit 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 CS4 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, -15°
Comments: A set of spiral galaxies about 60 million light-years away in the constellation Virgo.