Thanks for the reply Mike, yes long exposure is a requirement I'm just starting out on this picture taking caper. The camera is a Atik 1C and my focusing is not real good at the moment, I will read up on the Hartman mask though. I mainly want to image DSO"s and the scope is a WO 66mm which will be turned into a guide scope shortly sitting on a Vixen GP2 mount which tracks great. I realise I will have to upgrade the camera later on, however at the moment I am quite inspired by Ken's (ballaratdragons) toucam efforts.
Cheers Peter
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