I had a few problems with my new reducer / flattner but it came out ok in the end this is Ngc2174 a total of 6 hours 30 minutes
2 hours HA 15 min X iso 800
4hrs 30 mins RGB 8 min and 3 min subs ISO 800
Taken with Canon 40D and SV102ED
Thanks Les
http://www.pbase.com/t_total123/image/109297496/large