Thanks Peter. Bottom line is, if it's poor seeing, give it some stick exposure times wize. I was at 1/120th sec exposure with 100% gain to try to 'freeze' the good frames. It does work, I know this from hands on experience. Had I went the other way (exposure of 1/60th with low gain) All AVI's would have been deleted in disgust & I would have blamed the seeing like newbies tend to do. Naturally there's a limit. Worse seeing than this, well I wouldn't have bothered to post the result.