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altazimuth mount

American  

noun

  1. a telescope mount with two perpendicular axes, allowing the telescope to rotate both horizontally and vertically.


altazimuth mount Scientific  
  1. 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.

  2. Compare equatorial mount