Even if you deal with the mirror you still have flexure issues. ?With the QSI with built in OAG I never lose a frame due to tracking. ?When I broke down and got the QSI then I realized the value of OAG. ?Plus, their design makes it transparent. ?I attached the guide camera to the QSI one time and left it attached. ?When the main camera is in focus the guide camera is in focus too. ?I have always been able to find a guide star even at 2700 mm FL.
Alan
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On Mar 23, 2016, at 8:03 PM,
keithnk@... [C14_EdgeHD] <
C14_EdgeHD@...> wrote:
?
RATS!
But I don't want to use an OAG!!
I'll do almost anything to avoid them, including supplementary mirror support if I have to. I sort of did that with my 10" Meade, and it worked well, except as you mention, over the meridian.
Congrats on the AP1100 with the encoders no less. Beyond my budget, unfortunately. That is one solid mount. Very happy with it.
