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Re: [APML] Guidescope / set-up question / Thanks!!!
Hi Bert,
> Some responses to your comments:
thanks for answering!
> > Is this not needed ??? - could the guidescope be 1 - 2 degrees of the
> > photographic instrument (when alignement of the photographic scope is
> > perfect),
> > I thought that I would receive "trails" on my image?!?
>
> That's right, it is not needed. The big advantage of a separate guidescope
> vs an off-axis guider or built-in second guide chip is that you have a much
> larger selection of guidestars. If you are too far off from the imaging
> scope you will start to get trailing (as Matt pointed out), but 1 to 2
> degrees is probably acceptable. Furthermore if you are using something like
> an ST-4, you can't limit the guidescope axis very much or you won't be able
> to center the guidestar on the very small ST-4 chip.
O.k. - I think I understood this issue now, thanks for pointing it out!
> If you can place a Losmandy plate across the top of your Vixen rings, you're
> all set: the rings have dovetail blocks that clamp onto a standard Losmandy
> male dovetail plate. Alternatively, use
> the Losmandy side-by-side plate with the R200SS on one side and the
> guidescope (on a Losmandy dovetail plate) on the other.
The Losmandy rings seem like a good way to go, Andreas Roerig said that we have
a simular product from Baader over here in Germany, so I'll see what they have
(maybe it will be not as pricey as the Losmandy rings). But I do have to commit
that I really love the idea of the Losmandy side-by-side plates.
Again, thanks for your help and clear skies,
Aike
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