thanks for all the positive comments guys and the advice re flexure. OAG

it nearly drove me mad (some might argue with that

) when I first started trying to image so I moved to guidescope. Now that I have guidecameras that can reach low Mag stars maybe its time now to revisit that. For the moment though I'm going to do away with the WO as a SbS guidescope and go for a Stellarvue finder mounted on top using losmandy rings and see how that pans out. If it doesn't work I'll see if I can borrow an OAG and get it to work. Yes it was that traumatic