Celestial Navigation
Jeff Toghill
Sold by World of Books Inc, Montgomery, IL, U.S.A.
AbeBooks Seller since 23 March 2026
Used - Soft cover
Condition: Used - Very good
Ships within U.S.A.
Quantity: 1 available
Add to basketSold by World of Books Inc, Montgomery, IL, U.S.A.
AbeBooks Seller since 23 March 2026
Condition: Used - Very good
Quantity: 1 available
Add to basketIn fact, the maximum mathematics involved in the new sight reduction systems is the addition of three lines of figures. Similarly, the apparent complexities of the solar and stellar systems take on a less frightening appearance when related to the lighthouses and similar earthly objects used for coastal navigation. Throughout this book, the author uses such a comparison between earthly and heavenly objects in explaining the close relationship between coastal and celestial navigation. In doing so, he reduces a complex subject to a simple and interesting one that can be absorbed by even the most non-mathematically minded. The book concentrates for much of its length on the plotting of the boat's position by sun, planets, and stars when out of sight of land. It also deals with related navigational routines such as checking the compass by using heavenly objects, taking radio time signals, and adjusting the sextant for day-to-day corrections. This is celestial navigation in its simplest form, presented in a way which even the most amateur navigator can understand and absorb.
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