celestial fix[sə′les·chəl ′fiks]
A position established by means of observation on one or more celestial bodies.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
A fix obtained by sighting two or more stars of known direction, using a sextant or an astro compass. Also called an astro fix.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved