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A Dobsonian telescope on display at Stellafane in the early 1980s. A Dobsonian telescope is an altazimuth-mounted Newtonian telescope design popularized by John Dobson in 1965 and credited with vastly increasing the size of telescopes available to amateur astronomers. Dobson's telescopes featured a simplified mechanical design that was easy to ...
In 1999, the Sky-Watcher brand was established to sell Synta Taiwan's optics, with head offices in Richmond, British Columbia, Canada. They began producing Dobsonian telescopes in 2000, followed by Maksutov–Cassegrains in 2001, and Apochromat ED-APO refracting telescopes in 2004.
Maksutov's 1944 design was the first-published meniscus telescope design, and was published in the widely-read Journal of the Optical Society of America. [11] [12] [7] This led to professional and amateur designers almost immediately experimenting with variations, including Newtonian, Cassegrain, and wide-field camera designs.
Dobson was born to Methodist missionary parents in China, but moved with his family back to the U.S. as a young child.He was a “belligerent atheist” as a young man. After earning a master's in chemistry, he encountered a teacher of a Vedanta monastic order, which seeks to integrate Veda-based religious precepts with rational inquiry, and joined the order, where he served as a Vedantan monk ...
Watcher Entertainment has drawn millions of fans for their unscripted and comedic videos on YouTube — and now the studio’s three creators have drawn the ire of a significant number of them. On ...
Obsession Telescopes builds two different styles of compact truss-style Dobsonian telescopes which can optionally be equipped with computerized positioning. [4] The primary mirrors range from 12.5 inches to 25 inches in diameter and are supplied by Optical Mechanics, Inc. (OMI) and Ostahowski Optics, while secondary ones are supplied by United ...
As of 2023, the society owns a large and diverse collection of telescopes, including a 12" Meade Lightbridge Dobsonain, a 10" Sky-watcher Dobsonian, and several smaller electronic go-to telescopes. It is also the custodian of the university's historic Cooke refractor, which was purchased in 1910 as a part of the original observatory on the ...
Deep Sky Observer's Guide by Neil Bone, Wil Tirion. Firefly Books, 2005. ISBN 1-55407-024-4. The practical astronomer's deep-sky companion by Jess K. Gilmour. Springer, 2003. ISBN 1-85233-474-6. Concise Catalog of Deep-sky Objects: Astrophysical Information for 500 Galaxies, Clusters and Nebulae by W. H. Finlay. London: Springer, 2003.