Thanks for the reply. The Astrotrac is new to me also. I'm doing similar without the polar scope but using BYEOS. Just starting to drift align but clouds have beaten me lately. A couple of links below about the V Align drift method. Looked like a good idea.
https://www.flickr.com/photos/wilsonp195/9672909390
http://www.cloudynights.com/page/art...ert-vice-r2760
Cheers Bob