This volume contains the altitude to 1' and true azimuth to 1° for the seven stars most suitable for finding your position at sea with a sextant, for the complete range of latitudes and hour angles of Aries. This edition is valid for the period 2011-2019. This publication is aimed at the navigator using celestial navigation and provides the optimum selection of stars for a three-star fix.

Keywords: NP303 NP303.1 AP3270 AP 3270 Sight Reduction UKHO BA