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Hi Brett
Yes it is an Orion steadystar AO with its built in OAG, SXUSB filter wheel and an rcc1 coma corrector. Still hasn't had first light.
I would suggest using spacers from the body such that the focus is 5 to 10 mm from fully racked in. Less flexure on the drawtube and in some cases less vignetting.
What is the height of the lip of that compression adaptor? You mentioned 10mm, I thought you were referring to the bit thats after the thread.
Cheers
Alistair
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