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If you want to do images, have a look at what the planetary imagers who post on IIS use: 9.25-14 inch SCTs or 12-16inch f4.5-f5 Newts. If you can't afford an SCT, get the biggest aperture Newt you can afford + good quality Barlow, remembering that the mount will cost more than the scope. Scope quality is not as big a factor as might be imagined at these apertures, since a thermally stabilised large scope of commercial quality is almost always going to be better than the atmospheric seeing - in over a year of high res imaging with a 12inch f5 Newt, I have only once found conditions where the scope resolution was the limiting factor.
Last edited by Shiraz; 23-08-2012 at 09:20 AM.
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