[Zuts]

Originally Posted by Bassnut

Ive always had this effect, each image OK themselves, but a few mm difference between them. But not with SBIG internal guide. Dont worry about it if the stars are round in each sub. IMO, its differential flexure between the image and guide scope, theres nothing you can do about it.

edit... umm, thats assuming a mm or 2, if its driftting off the screen, then theres a mounting problem on the guide scope.

This happens to me using my SBIG 2000 XCM using the internal guide chip, so I reckon its innacurate polar alignment in my case.

Cheer
Paul