Allan - it wouldn't surprise me if the stars are a bit off as I'm still trying to track down the flexure and have a bit of drift in the 2 min subs. I'm planning an experiment with a differnt guide scope mounted directly on top of the newt to see if that fixes the problem.
Steve - thanks for the comparison image. It's amazing what you can get out of entry level equipment from a light polluted location and a near full moon! I've been discussing your approach (lots of short subs)with Troy and Allan - I think the DSI really benefits from a lot of subs and may revert to more shorter subs myself - especially if I can't isolate the source of flexure.
Peter
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