2013-09-06 22:00-02:00
Clear, no moon, no wind, 15 degrees C

M101
Exposures:
40x240s LIGHT
25x240s DARK
20 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: BackyardEOS, PixInsight