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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 ...
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.
Alt-azimuth GoTo mounts need to be aligned on a known "alignment star", which the user will centre in the eyepiece. From the inputted time and location and the star's altitude and azimuth the telescope mount will know its orientation to the entire sky and can then find any object.
Therefore, the horizontal coordinate system is sometimes called the az/el system, [1] the alt/az system, or the alt-azimuth system, among others. In an altazimuth mount of a telescope , the instrument's two axes follow altitude and azimuth.
Mount Holiday Ski and Recreational Area: Traverse City: Michigan: 440 240 200 45 12 4 120 $34 December 9, 2019 [373] Mount McSauba: Charlevoix: Michigan: 650 400 150 80 10 4 $18 December 9, 2019 [374] Mount Zion Ski Hill: Ironwood: Michigan: 1,400 1,100 300 20 9 2 $25 December 9, 2019 [375] Mulligan's Hollow Ski Bowl: Grand Haven: Michigan: 700 ...
Mount Tom Ski Area was a ski resort in Holyoke, Massachusetts, in the Mount Tom Range in the western part of Massachusetts about 10 miles north of Springfield. It opened in 1962 and closed in 1998. It opened in 1962 and closed in 1998.
Altitude-azimuth, alt-azimuth, or alt-az may refer to: Horizontal coordinate system, or altitude-azimuth coordinates; Altazimuth mount, a two-axis telescope mount
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 ...
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