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altazimuth mount

altazimuth mount in Science
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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