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Reeds Astro Navigation Tables 2018 (Paperback) (Andy Du Port)
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Reeds Astro Navigation Tables is a compilation of annual astro-navigation tables containing all the information the ocean-going sailor needs (without the bulk) in order to navigate by the sun, moon, planets, and stars. This book, together with a sextant, will enable sailors to navigate confidently and safely when out of the sight of land--a critical skill if the boat electronics fail.
Reeds Astro Navigation Tables 2018 continues to feature the well-received additions from previous editions, including forms to help determine True Altitude (for the sun, planets, and stars), Calculated Altitude (using the versine formula), and Azimuth (using the ABC Tables), as well as a pro forma for calculating Intercept. With 8 extra pages and an improved layout, there is plenty of space for making notes and calculations.