We use altitude and azimuth to describe the location of an
object in the sky as viewed from a particular location at a
particular time. The altitude is the distance an object appears
to be above the horizon. The angle is measured up from the
closest point on the horizon. The azimuth of an object is the
angular distance along the horizon to the location of the
object. By convention, azimuth is measured from north towards
the east along the horizon |[back to beginning of topic]||[back
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