Image taken over 2 nights, 12/5 and 12/9 2010, from Hillsborough NJ
Total exposure time 6 hours and 45 minutes

Orion 190mm Mak-Newtonian F/5.3
Celestron CGE with Gary Bennett cable upgrade (self modified)
ST-4 guided though my NP101
Canon 500D modified by HyperCams & Mods
CLS-CCD clip filter
81*300 second 1600iso sub exposures
30dark/30flat/30/bias calibration frames

Ambient temperature: first night 30.7/28.8 second night 18.9/13.3