2012-12-13 19:30-00:30
Cold (-16 degrees C), faint fogs followed by clear, no moon

M52
Exposures:
10x180s LIGHT
8x90s DARK
15 BIAS
16 FLAT

Camera: Canon EOS-600D, ISO800
Lens: Meade Model 2080 8-inch Schmidt-Cassegrain + Meade Focalreducer 6.3
Mount: HEQ5 Pro
Skywatcher SynGuider auto guider and Celestron 80mm guide scope
Software: PixInsight