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Twitter user @spacestationguy said he used a 10-inch dobsonian scope and Sony A7S camera to get the shot of Comet C/2022 E3 (ZTF). ... the Palomar Observatory’s forty-eight-inch telescope ...
The 24-inch (610 mm) Dobsonian telescope brought by the Sidewalk Astronomers was unconventional, because most telescopes at such meetings tended to be smaller, on equatorial mounts, and designed for astrophotography rather than optical viewing. Surprisingly (and controversially at the time) Dobson's telescope tied in first prize for best optics.
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 ...
The six telescopes on the deck are a 5.5-inch TEC wide-field refractor, an 8-inch Moonraker Victorian refractor, a 32-inch Starstructure Dobsonian reflector, a 16-inch Meade ACF catadioptric reflector, a 17-inch PlaneWave CDK catadioptric reflector, and a 14-inch PlaneWave CDK catadioptric reflector. [9]
4.5-inch (110 mm) LightBridge Mini 114 Dobsonian. Schmidt-Newtonian telescopes (6 to 10 inches). LightBridge Dobsonian telescopes (currently 8, 10, 12 and a 16-inch model) Meade Model 4504: 4.5-inch (110 mm) equatorial reflecting telescope
In 2007, Obsession Telescopes released a second series of telescopes more portable than their original design. They designated this series as Ultra Compact (UC), referring to their former one as 'Classic.' From 2009-2012 their telescopes ranged from USD 3000 for a 12.5 inch telescope, up to USD 12–15,000 for a 25-inch telescope.
Some sidewalk "pitch men" charged the public to view astronomical objects through their telescope but other astronomers allow people to view for free. [6] [10] In more recent years sidewalk astronomy has come to be more associated with altruistic individuals or groups offering views of the nighttime sky as a free public educational service. [11]
China announced plans on Wednesday to send a new telescope to probe deep into the universe as it prepared to launch the country’s next, three-member crew for its orbiting space station. The ...
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