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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.
Winter Constellations, taken from the Kottamia Astronomical Observatory, Cairo, Egypt, in December 2021. Kottamia Astronomical Observatory is the largest telescope in the Arab world, including the Middle East and North Africa. The telescope, which is located 80 km from the center of Cairo, has a main mirror diameter of about 1.88 meters. [1] [2 ...
Synta Technology Corporation was founded in Taoyuan, Taiwan around 1980 by mechanical and optical designer Dazhong Shen, (a/k/a David Shen). In 1992 Synta, along with Canadian investors, established the Suzhou Synta Optical Technology Co., Ltd in Suzhou (Jiangsu), China (outside Shanghai) as a manufacturing facility producing telescopes for Celestron and Tasco.
Slooh is a robotic telescope service that can be viewed live through a web browser. It was not the first robotic telescope, but it was the first that offered "live" viewing through a telescope via the web. [2] Other online telescopes traditionally email a picture to the recipient. The site has a patent on their live image processing method. [3]
In 2019, amateur sky-watchers analyzed the high-resolution photograph of an Iranian launch site accident tweeted by US President Trump and identified the specific classified spysat (USA-224, a KH-11 satellite with an objective mirror as large as the Hubble Space Telescope) that had taken the photograph, and when it was taken. [11] [12]
The stunning successes and discoveries made there using the world's largest telescopes, the 100-inch Hooker Telescope and 200-inch Hale Telescope, spurred the move to ever higher sites for the new generation of observatories and telescopes after World War II, along with a worldwide search for locations which had the best astronomical seeing.
Egypt: Egypt: 1960 SETI Optical Telescope: 1.83 m: 72″ Single: USA: Oak Ridge Observatory, Massachusetts, USA: 2006 [28] Vatican Advanced Technology Telescope (VATT) 1.83 m: 72″ Single: Vatican City: Mount Graham International Observatory, Arizona, USA: 1993 [29] 72-Inch Perkins Telescope: 1.83 m: 72″ Single: USA: Lowell Observatory ...
The telescope made its first discovery, of two new pulsars, in August 2017. [11] The new pulsars PSR J1859-01 and PSR J1931-02—also referred to as FAST pulsar #1 and #2 (FP1 and FP2), were detected on 22 and 25 August 2017; they are 16,000 and 4,100 light years away, respectively.