#17321 Mar 21, 2005
I'm thinking of getting one of the new SAC IV-II's to replace my
unmodified ToUCam as a guider and planetary imager. I know the IV-II
has a bigger chip and I think it can integrate on chip for either 1/2
sec or 1 sec (not sure which), plus it's supposed to be a bit more
sensitive than my ToUCam. I need the increased sensitivity and longer
integration time more than the increased size, but all of these factors
could help. The thing I don't know is realistically, what would be my
limiting magnitude for finding guide stars if I'm using my StellarVue
Nighthawk (80 mm f6 acromat) for a guide scope.
Does anyone know if MaxIm will control one of these cameras? For that
matter, about how faint will I be able to go with one shooting through
an 80 mm f6? Is there a better inexpensive option for a guiding
camera? I'd like to be able to use whatever I get to help me guide
longer exposures on things like Messier objects, etc.
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