altazimuth

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Words related to altazimuth

an instrument that measures the altitude and azimuth of celestial bodies

References in periodicals archive ?
Altazimuth mounts are generally lighter than their equatorial counterparts, in part because they don't require counterweights to balance the telescope.
Suitable mounts come in two basic varieties--equatorial and altazimuth. An equatorial mount allows motion in two directions: north-south and east-west.
An altazimuth (altitude-azimuth) mount, by contrast, permits up-down (altitude) and left-right (azimuth) motions.
A motorized telescope on a computerized altazimuth mount can track celestial objects as accurately as one on an equatorial mount.
A telescope on an altazimuth mount simply moves up-down (altitude) and left-right (azimuth).