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Altazimuth mount

altazimuth mount
altazimuth mount
A mounting for astronomical telescopes that has separate axes for horizontal and vertical rotation. Because celestial objects move in arcs across the sky, tracking their motions with an altazimuth mount requires adjustments of both axes. Compare equatorial mount.


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  • Altazimuth coordinate system

    altazimuth coordinate system altazimuth coordinate system (āl-tāz’ə-məth) The coordinate system in which a celestial object’s position is described in terms of its altitude and azimuth. Like celestial latitude and longitude, and declination and right ascension, the altitude and azimuth coordinates are used to map objects in the sky. Unlike the other two systems, which are […]

  • Altazimuth mounting

    a mounting with two axes, to allow movement in both horizontal and vertical planes, used with telescopes, antennas, and precise surveying instruments. noun a telescope mounting that allows motion of the telescope about a vertical axis (in azimuth) and a horizontal axis (in altitude)

  • Altdorf

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  • Alter

    to make different in some particular, as size, style, course, or the like; modify: to alter a coat; to alter a will; to alter course. to castrate or spay. to change; become different or modified. David, 1807–81, U.S. physicist. . . in alt, in the first octave above the treble staff. another exactly the same. […]

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