Dewey Edition21
Reviews"Clear, concise description of the old-style (non-GPS) offshore navigation using a sextant, a chronometer, H.O. 249 tables, the Nautical Almanac and a plotting sheet--essential for the inevitable day when the electronics give out."--Wooden Boat, ... covers everything you need to know to become an expert celestial navigator. Schlereth's approach and style is decidedly hands-on.
Dewey Decimal527
Table Of ContentPrefaceIntroductionPart I- Our Star: Navigation by the SunChapter 1- The Big PictureChapter 2- Mirror, MirrorChapter 3- Celestial Navigation in TheoryChapter 4- Columns of NumbersChapter 5- Celestial Navigation in PracticeChapter 6- More Columns of NumbersChapter 7- Plot, CounterplotChapter 8- Noon Sight for LatitudePart II- Neighbors: Navigation by the PlanetsChapter 9- IdentificationChapter 10- Venus, Goddess of the TwilightChapter 11- The Outer PlanetsChapter 12- The Edge of NightPart III- The Astral Archipelago: Navigation by StarsChapter 13- A Handful of StarsChapter 14- The Pole StarPart IV- Luna: Navigation by the MoonChapter 15- The MoonAfterwordIndex
SynopsisDespite 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, compare the two, and plot the results of the comparison on a chart. Celestial Navigation in a Nutshell demonstrates how to take sights by the sun, moon, stars and planets, discussing the advantages and disadvantages of each method. The reader is taken carefully through several examples and situational illustrations, making this a most effective self-teaching guide. Common errors are reviewed and several tips on how to improve accuracy are given., With this guide, learn to navigate the ocean using only a sextant, a watch, a plotting sheet and a copy of the Nautical Almanac., 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, compare the two, and plot the results of the comparison on a chart.Celestial Navigation in a Nutshell demonstrates how to take sights by the sun, moon, stars and planets, discussing the advantages and disadvantages of each method. The reader is taken carefully through several examples and situational illustrations, making this a most effective self-teaching guide. Common errors are reviewed and several tips on how to improve accuracy are given.
LC Classification NumberVK555.S339 2000