M3--2nd Light with my 152mm

Finally captured a couple images with my new (to me) TMB-152. Would love your feedback.

Captured on 5/26/2009 from Oakland, CA
Limiting magnitude of 4.9, seeing 7 out of 10
Astro-Physics Mach1 mount; TMB-152 @ f/7.9; SBIG STL-11000M w/ Astrodon TrueBalance LRGB
Captured in Equinox Image; Calibrated and stacked in Nebulosity; Post processing in Photoshop CS3
Thirty minutes lominosity; fifteen minutes each RG&B; five minute subexposures
FWHM prior to processing was 1.9 arc seconds
Darks and flats applied

Thanks - Jared Willson

Attached Image:

very sharp image, but you have clipped the bottom of your histogram, so you have lost all the faint data.

Rolando