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In the early 1940s, amateur astronomer Jack Wilkinson began building telescopes. [2] In 1949, Wilkinson constructed an 8-inch reflector telescope [1] with hand-crafted lenses [3] and carefully ground mirrors. Wilkinson, enthusiastic about his work, invited other locals to use his telescope to view the moon, planets, and distant galaxies. [2]
NGC 891 looks as the Milky Way would look like when viewed edge-on (some astronomers have even noted how similar to NGC 891 our galaxy looks as seen from the Southern Hemisphere [9]) and, in fact, both galaxies are considered very similar in terms of luminosity and size; [10] studies of the dynamics of its molecular hydrogen have also proven the likely presence of a central bar. [11]
The Meade LX200 is a family of commercial telescopes produced by Meade Instruments launched in 1992 with 8" (20.32 cm) and a 10" (25.4 cm) Schmidt–Cassegrain models on computerized altazimuth mounts. [1] [2] Two larger models, a 12" (30.48 cm) and a 16" (40.64 cm), quickly followed.
A modern-day example of a fully robotic transit telescope is the small 0.20-meter (8-inch) Flagstaff Astrometric Scanning Transit Telescope (FASTT) completed in 1981 and located at the observatory. [47] [48] FASTT provides extremely precise positions of solar system objects for incorporation into the USNO Astronomical Almanac and Nautical Almanac.
This is a list of large optical telescopes. For telescopes larger than 3 meters in aperture see List of largest optical reflecting telescopes . This list combines large or expensive reflecting telescopes from any era, as what constitutes famous reflector has changed over time.
Almost immediately upon his arrival in Tucson, Douglass established astronomical research programs using an 8-inch refracting telescope on loan from the Harvard College Observatory and actively began to pursue funding to construct a large research-class telescope in Tucson. Over the next 10 years, all of Douglass’ efforts to secure funding ...