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Just an update Paul on my settings in Maxim with an OAG.
With a ST80 F5 guide scope I used 3 sec exposures. This made for nice round stars till flexure kicked in.
Now I find with the OAG, if I use the same 3 sec exposures with 6.5 aggression, my stars are elongated. I'm sure it has to do with the iffy conditions at the moment, the moon and also guiding at the main image systems FL now.
I've just found tonight that if I shorten my exposures to 1 sec., decrease my aggressiveness to some where in between 3-4 I'm getting nice round stars out to 7- 8min subs.
I thought I'd share this with you as it seems to be working this way for me.
Might give you a new set of figures to test out.
Rich
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