horizontal coordinate system (Q625696)
type of celestial coordinate system that uses the observer's local horizon as the fundamental plane
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aliases az/el system
 Alt/Az system
 altazimuth system
 Alt-Az System
 El-Az System
description type of celestial coordinate system that uses the observer's local horizon as the fundamental plane

External Links
(P646) /m/0cysv
(P3827) horizon-coordinate-system
(P4466) 747
(P6366) 47210295
(P8408) HorizontalCoordinateSystem
(P10565) 185164