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Sky-Watcher 114 mm EQ1 reflector (upper right) with Tasco refractor. Sky-Watcher is a commercial distribution company established in 1999 by the Synta Technology Corporation of Taiwan (Synta Taiwan). It markets telescopes and astronomy equipment, such as mounts and eyepieces, aimed at the amateur astronomy market.
This is the category for the components of the S&P Sri Lanka 20 Index. Pages in category "Companies in the S&P Sri Lanka 20 Index" The following 20 pages are in this category, out of 20 total.
The 20 companies that make up the index is determined by Standard & Poor's global index methodology, according to which the index's listing is reviewed each year. [2] All S&P SL20 listed stocks are classified according to S&P and MSCI 's Global Industry Classification Standard , thereby enabling better comparison of performance of Sri Lanka's ...
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.
Pune, Maharashtra, India 50–1420 MHz Thirty 45 m wire dishes; [13] largest telescope at meter wavelengths. Operated by the National Centre for Radio Astrophysics. [14] Ooty Radio Telescope (ORT) Ooty, Tamil Nadu, India 326.5 MHz The radio telescope is a 530-metre (1,740 ft) long and 30-metre (98 ft) tall cylindrical parabolic antenna. It ...
Comparison of nominal sizes of apertures of the above extremely large telescopes and some notable optical telescopes. An extremely large telescope (ELT) is an astronomical observatory featuring an optical telescope with an aperture for its primary mirror from 20 metres up to 100 metres across, [1] [2] when discussing reflecting telescopes of optical wavelengths including ultraviolet (UV ...
The Hubble Space Telescope Comparison between many space telescopes by diameter Overview of active and future telescopes (as of January 2021) This list of space telescopes ( astronomical space observatories ) is grouped by major frequency ranges : gamma ray , x-ray , ultraviolet , visible , infrared , microwave , and radio .
The GROWTH-India telescope is a 0.7-meter wide-field optical telescope that had first light in 2018. [14] It is the country's first fully robotic research telescope. [ 15 ] It was set up as a part of the international GROWTH program, [ 16 ] and has been widely used for time-domain astronomy .