M76, The Little Dumbbell in Perseus


(Click on image for full size version)


Exposure Data: 8/27/2006.  CRGB: 13x10m, 4x10m, 4x10m, 4x10m.  RGB 2x2. -25C, 0.55 arc-sec./pixel.
Processing: Acquired via CCDAutoPilot 3 and CCDSoft, reduced, aligned and combined in CCDStack, 5 iterations of Vanderbei decon, LLRGB combine, curves, levels, 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.
Comments: Combined luminance was 1.6 arc-sec. during a night of exceptional seeing.  The full size image has a mag 6.6 star at the right.  Not having a cover slip shows how small the star can be.  Other than a little background color correction, no Photoshop shrinking of the star was employed.