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Hi Randall
Just thought I’d jot down some of my experiences.
Imaging with my 4" f9 (918mm fl) Vixen ED refractor on my Vixen GPDX mount is very pleasurable, forgiving and feasible. Wide field, DSO and hi-res can be done with this set up without too much angst.
For long exposure DSO imaging with a C9.25 at f10 (2350mm fl) on my Takahashi EM200 mount, it is more of a black art. A permanent set up would help reduce the long list of niggling, tuning, variables I seem to struggle with every time I set up in the back garden or go to an astrocamp.
So, if you want to enter into the realms of high resolution, long focal length or long exposure (=auto guided) imaging, the mount requires as much serious consideration as the 'scope.
Cheers
Dennis
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