sight-reduction tables
sight-reduction tables
[′sīt ri¦dək·shən ‚tā·bəlz] (navigation)
Tables for performing sight reduction obtained by the use of a sextant or octant, particularly those sights for determining computed altitude for comparison with the observed altitude of a celestial body to determine the altitude difference for establishing a line of position.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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Written by experienced navigator Leonard Gray, 100 Problems in Celestial Navigation: Self Contained--With Answers is a compendium of realistic navigation problems, including excerpts of all required Nautical Almanac pages and
sight-reduction tables, complete with answers and explanations.
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