M33, The Pinwheel Galaxy in Triangulum

 

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Exposure Data: 10/15/2004.  RGB: 24x3m, 24x3m, 24x3m. RGB binned 1x1. -20C, 2.65 arc-sec./pixel.
 
Processing: Automatic acquisition, dithering, focusing via CCDAutoPilot and CCDSoft, reduced and aligned, in Mira, RGB combine in Maxim, curves, levels and other processing in Photoshop.
 
Optical System: FSQ-106 @ F/5, ST-10XME NABG/FLI CFW-2 CCD camera, AstroDon filters, Paramount ME, dithered 4 pixels, auto focus via Acquire Star every four sub-exposures, unguided.

 
Comments: Data acquired on both sides of the meridian.  North is up.