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Thanks everyone for your comments, Greg i did think at the time 5minutes might be a bit too long but i think i was blinded a bit by the fact that i could finally guide for longer than 3mins with round stars!
Next time will try around the 3min mark and see how its looking. The iso was 1000 am i right in thinking if i go shorter i should up the iso to 1600 perhaps? Or does this just depend on sky glow and washout?
Will also try to fix the tilt and/or collimation.
Im very pleased with this scope and hopefully a dedicated ccd wont be too far away and then i guess the learning curve goes very steep!
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