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Dictionary of Astrological and Astronomical Terms

Compiled by Julene Packer-Louis, Evan Bortnick, and Jackie Goldstein

Copyright 2000-2019 OCA, Inc. All rights reserved. No portion of the dictionary may be reproduced in any form without written permission.

 

Horizon Coordinates

A system where the plane of reference is a plane through the observing point parallel to the horizon. The poles of this system are the zenith (the point overhead) and the nadir (the point underfoot).Theplotted points are te azimuth along the horizon and the altitude up to the zenith.

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