Celestial Navigation in a Nutshell

Despite the proliferation of electronic navigational devices, celestial navigation remains an essential tool for those who do not wish to be caught short when modern technology fails. In this easy-to-use guide, Hewitt Schlereth explains clearly and concisely how to navigate any stretch of sea using only a handheld sextant, a watch, a plotting sheet and a copy of the Nautical Almanac. The basic process is simple: take a sight with a sextant, establish a secondary reference or benchmark sight, …