Beren, I honestly do not know? I do a minimum of three so Deep Sky Stacker can stack them as Median. I also have only really had long term guiding success compared to the HEQ5 where we would get a couple of shots then guiding problems.
Thanks everyone for the comments. I'm off to Toowoomba for a three day asronomy workshop at the uni so I can't wait. Hopefully dark clear sky.
I'm also excited as I have just paid for my first new scope as the photos are using our schools scope that happens to live between two teachers place. I get my new WO 110 Flt in 3 weeks Yahoo.
Mark
Mark.
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