Date Taken: 10/5/2013
Scope: William Optics Megrez 90 with Televue 0.8x FR/FF, f/5.5, 496mm
Camera: QSI 583wsg with Astrodon Tru-Balance E-Series Gen2 filters
Temp: -15C
Mount: Losmandy G-11 Gemini
Guiding: SSAG piggybacked through Orion ST-80, PHD, pulse guiding.
Exposure: LRGB 45:40:40:40, all unbinned.

Calibration, stacking, and deconvolution with CCDStack;RGB Combine in Maxim DL. Luminance layering and final processing with CS4.

This is a 20% crop of the original image.

After finishing up shooting M33 at 2 am, the forecast called for fog. I decided to shoot M42 and see what I got. The fog never materialized, and this is what I captured before dawn.