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A general name for the angular height of a celestial body above the horizon that is determined from a sextant measurement or sight reduction. Angular height is often called "altitude" in other textbooks. When a body is right on the horizon, its height is 0; when a body is overhead, its height is 90. The term is used more precisely depending on the number of corrections that have been made to the sextant measurement. See Sextant Height, Apparent Height, Observed Height, and Calculated Height.

Abbreviation:  H

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