I put out collimation questions on a couple Yahoo!Groups, the RASC Toronto Centre, and the SCT listserv. Wanted to know if there might be any special issues or challenges with Manuel's 8" Celestron telescope.
Denis, of RASC, suggested getting Bob Knobs. He also offered that I borrow his artificial star rig.
William, of the SCT group, said that all the Celestron SCTs were the same except, possibly, the Edge HD versions. Something about a correcting lens near the focal plane.
Tuesday, September 13, 2011
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