apparently, it's not that bad...
with the motorized CG-3 mount, i've taken several DSO shot and quite happy with it.
To be able to shot with prime focus, the OTA need to be adjusted a bit, though.
shot was taken with D300 & D70(without hotmirror).
For image stacking/aligning/processing i use DSS, PixInsigthLE, and Photoshop.
here they are...
http://photos-h.ak.facebook.com/phot...82687_5847.jpg
http://photos-g.ak.facebook.com/phot...52550_5611.jpg
http://photos-699.ll.facebook.com/ph...873863_922.jpg
regards,