Image taken over 4 nights in February and March 2011 from Hillsborough NJ.
18 hours total exposure time!

Orion 190mm Mak-Newtonian F/5.3
Celestron CGE with Gary Bennett cable upgrade (self modified)
DSI Pro guided though my NP101
Canon 500D modified by HyperCams & Mods
248*155 second 800iso sub exposures (no filters)
30dark/30flat/30bias calibration frames
44*600 second 800iso sub exposures with Baader UHC-S filter
24dark/30flat/bias calibration frames

Overall poor to bad seeing. Above average transparency.