NGC2403, a spiral galaxy in Camelopardalis

 

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Exposure Data: 1/14-17/2007.  CRGB: 38x10m, 20x10m, 20x10m, 20x10m.  RGB 2x2. -25C, 0.55 arc-sec./pixel.
 
Processing: Acquired via CCDAutoPilot 3 and CCDSoft, reduced, aligned, debloom, Poisson reject, combined and deconvolution in CCDStack, LLRGB combine, curves, levels, Curvemeister, GEM Pro plug-ins and other processing in Photoshop.
 
Optical System: 14.5 Ritchey-Chretien @ F/9 w/FFC, IMG6303E/CFW-7 CCD camera, AstroDon filters, Paramount ME, dithered 3 pixels, off-axis guided with ST-402ME.
 
Comments: Combined clear FWHM was 3.5 arc-sec., deconvolved to 1.9 arc-sec., in relatively poor winter seeing.  Total exposure time was 16 hours.