Quote:
Originally Posted by Atmos
I'd say what you're experiencing is mirror flop. Now this is fine as you're off-axis guiding is correcting for it on your main OTA but as your secondary refractor doesn't suffer from this, it will show up as drift.
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Ohhhhh yes! You're probably right. The dodgy old 12" SCT bites my ass again. Grrr.
It certainly does have significant mirror flop, as you say not normally noticed.
Hmmmm, I guess if that is it, I"m either best not guiding, or ideally need to buy an OAG for the refractor.