Here is an initial wide field taken with the Canon 5DH and 300mm F2.8L at F2.8. The new mount motors make a difference even at 300mm!
Details 15X 240sec, ISO800, Hutech LPR filter,processed with Images plus and Registar.In camera noise reduction on, only used flats.
http://www.members.optusnet.com.au/~.../IC4628_RL.jpg
How many others are there.
Bert