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 Date: 2007-09-05 19:15:00Astronomy Dobsonian telescope Ritchey–Chrétien telescope PLate OPtimizer Telescope Truss Telescope types Observational astronomy Telescopes |
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| First Page | Document Content | |
|---|---|---|
Date: 2007-09-05 19:15:00Astronomy Dobsonian telescope Ritchey–Chrétien telescope PLate OPtimizer Telescope Truss Telescope types Observational astronomy Telescopes |
Add to Reading List |
ASTRONOMY TECHNOLOGY TODAY Your Complete Guide to Astronomical Equipment THE BOREN-SIMON 6-INCH “BABY” POWERNEWT • OPTIMUM WIDE-FIELD IMAGING RIG MAGIC LANTERN FREEWARE • DIY BINOCULAR IMAGE STABILIZER