Hi Trevor, if you're only doing visual work then a rough polar alignment using a polar finder scope is all you need (if you have one). Imaging needs a much finer alignment using drift alignment.
So rough for visual, then drift for photographic.
Check here
http://www.iceinspace.com.au/forum/s...ighlight=drift
and here
http://www.iceinspace.com.au/forum/s...ighlight=drift