High Resolution M33, The Pinwheel Galaxy in Triangulum

 

(Click on image for very large 3010 x 1880 pixel version)

 

Exposure Data: 11/17/2004.  LRGB: 10x4m, 10x4m, 10x4m, 10x4m. RGB binned 2x2.
-20C, 0.56 arc-sec./pixel.
 
Processing: Automatic acquisition and dithering via CCDAutoPilot and CCDSoft, reduced and aligned, in Mira, RGB combine in Maxim, LRGB assembly, curves, levels and other processing in Photoshop.
 
Optical System: 14.5 Ritchey-Chretien @ F/9, IMG6303E/CFW-1 CCD camera, AstroDon filters (IR-blocked clear), Paramount ME, dithered 4 pixels, unguided.
 
Comments: First light with a KAF6303 camera.  Some elongation visible due to not having ProTrack enabled!  Seeing was a below-average 2.9 arc-sec.