Sight Reduction Tables for Air Navigation Volume 1 epoch 2025

This publication is aimed at the navigator using astro-navigation and provides the optimum selection of stars for a three-star fix.  It contains the following information:

• altitude and true azimuth values of seven selected stars for the complete ranges of latitude and hour angle of Aries.
• tables for selected stars for all latitudes, calculated for the epoch of 2025, it is intended for use until  2029.
• the altitude to 1' and true azimuth to 1° for the seven stars most suitable for finding your position with a sextant, for the complete range of latitudes and hour angles of Aries.