Azimuth is the angle about the local vertical measured in the astronomical horizon. A common convention increases eastward from north; some astronomical formulae use westward from north. The convention changes the sign in the hour angle transformation.
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Azimuth is a term used in various fields such as astronomy, navigation, and geography. It refers to the angle measured in a horizontal plane from a reference direction, usually true north, to the direction of an object. The angle is typically measured in degrees, from 0° to 360°, where: - 0° corresponds to true north, - 90° corresponds to east, - 180° corresponds to south, - 270° corresponds to west.