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An altazimuth mount or alt-azimuth mount is a simple two-axis mount for supporting and rotating an instrument about two perpendicular axes – one vertical and the other horizontal. Rotation about the vertical axis varies the azimuth (compass bearing) of the pointing direction of the instrument.
William Herschel's 49-inch (1,200 mm) 40-foot telescope on an altazimuth mount. Altazimuth, altitude-azimuth, or alt-az mounts allow telescopes to be moved in altitude (up and down), or azimuth (side to side), as separate motions. This mechanically simple mount was used in early telescope designs and until the second half of the 20th century ...
The predecessor of Celestron was Valor Electronics, an electronics and military components firm founded in 1955 by Tom Johnson. [1] [2] [3] Johnson became involved with telescopes when he built a 6" reflecting telescope for his two sons. [2] In 1960, Johnson established the "Astro-Optical" division of Valor, which would later become Celestron. [3]
DSS 12: "Echo" 34m Decommissioned in 2012. DSS 13: "Venus" 34m Beam waveguide antenna (BWG) on altazimuth mount, located in Venus, California. ~910 m 2 aperture. DSS 14: "Mars" 70m Cassegrain reflector on Alt/Az mount. ~3850 m 2 aperture. DSS 15: "Uranus" 34m "High Efficiency" reflector on Alt/Az mount DSS 24, 25, 26: "Apollo" 34 m
In the German equatorial mount, [4] (sometimes called a "GEM" for short) the primary structure is a T-shape, where the lower bar is the right ascension axis (lower diagonal axis in image), and the upper bar is the declination axis (upper diagonal axis in image). The mount was developed by Joseph von Fraunhofer for the Great Dorpat Refractor [5 ...
The equatorial describes the sky as seen from the Solar System, and modern star maps almost exclusively use equatorial coordinates. The equatorial system is the normal coordinate system for most professional and many amateur astronomers having an equatorial mount that follows the movement of the sky during the night. Celestial objects are found ...
Mount Sinai is a hamlet and census-designated place (CDP) located within the Town of Brookhaven, in Suffolk County, New York, United States. The population was 12,118 at the 2010 census. [ 2 ] The hamlet is located on the North Shore of Long Island .
New York Eye and Ear Infirmary of Mount Sinai (NYEE) is located at East 14th Street and Second Avenue in lower Manhattan, New York City. Founded on August 14, 1820, NYEE is America's first specialty hospital and one of the most prominent in the fields of ophthalmology and otolaryngology in the world, [ 1 ] [ 2 ] providing primary inpatient and ...
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