Thanks guys – I enjoyed this multiple star foray. I tried for Antares and its companion at the zenith, but no go due to the jet stream/seeing.
I used the
DBK21AF04.AS which is an industrial webcam. It has the same chip as the Philips ToUcam, but it appears to have better electronic circuitry as you can push the Gain right up, with minimal noise intrusion.
I think I was shooting at 15 frames per second, with an exposure of 1/15 sec and the Gain was between 850 and 950 (out of 1023) for the fainter doubles. I captured 1500 frames and punched them through Registax. Only between 30 and 180 frames were suitable for stacking from each run, as the bulk of frames were smeared and badly distorted due to the 3 or 4/10 seeing.
Cheers
Dennis