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Home made refractor for comet kohoutek in 1973, which was expected to be big post perihelion, but was instead vaporised by the sun and a total non-event here. Objective was a surplus doublet from binoculars and I adapted my microscope eyepiece to serve as the eyepiece, which worked well enough at about 12X from memory.
Soon after found the Texerau book and ground & polished a 4” f/5 using an Astro Optics kit, this made a shoebox scope - literally, it tucked under one arm for observing at 20X, no mount required.
Last edited by Wavytone; 02-04-2018 at 10:06 PM.
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