These is just some quick pictures through a Canon 20D made between the test routines.
Much more should be possible with a cooled CCD camera and more sophisticated image processing.
Eskimo is a planetary nebula in Gemini (6 images of 1-3 minutes each stacked)
NGC 891 is a galaxy seen edge on in the constellation Andromeda (3 single shots of 4 minutes exposure, stacked together)
"Pferdekopf" is the horsehead Nebula in Orion
Photos taken by: Diane Peterson (MCD-PP) unless otherwise noted
SK - taken by Stathis Kafalis (Halfmann Teleskoptechnik)