You may want to contact Matt Thomas. He is very knowlegable and has written astroimaging/control software.
http://ccdcommander.astromatt.com/
Tom
http://ccdcommander.astromatt.com/
Tom
Starsearch Observatory
Lat 42N 47' 00" Long 112W 10' 47"
Elev 1752m
www.tvdavisastropics.com