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Celestial Navigation for Yachtsmen - Mary Blewitt

Celestial Navigation for Yachtsmen

Paperback Published: 1st November 1994
ISBN: 9780070059283
Number Of Pages: 69

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There is deep mystery and profound satisfaction in finding your position on earth by reference to the sun, moon, and stars--not to mention profound relief when the GPS receiver stops working in mid-passage. That is why knowledge of celestial navigation is still a rite of initiation, and its practice still a favorite pastime among serious cruisers.That this edition of Celestial Navigation for Yachtsmen should appear 44 years after the first British edition and 27 years after its first publication in the U.S. is eloquent testimony to the author's clear, concise explanation of a difficult skill. Through those years, Celestial Navigation for Yachtsmen has been the best-known, best-loved primer on the subject throughout the English-speaking world. It successfully teaches sailors who have been demoralized by bigger books. It remains "the famous little book" on celestial navigation.Among other changes, this edition substitutes the Nautical Almanac for the Air Almanac, discusses the "short" tables based on H.O. 211, expands the discussion in a few areas, fine-tunes it in others, and shows how to advance a line of position for a running fix from sun sights. The only mathematics involved are straightforward addition and subtraction.Celestial Navigation for Yachtsmen has spawned many imitators over the years, but it's still the best--with this new edition more than ever.

. . .simple, elegant, and easy to grasp.'' For those interested in learning or brushing up on their celestial skills. . .not much on theory, just how to do it.'' I go to sea as an instructor whose specialty is the demystification of celestial navigation. . .the only book I have room to bring, and the one that is best-suited should my mind go blank, Is. . .[this book]. . .I never shove off without it. . .No matter what your ability, if you have only one book on celestial navigation, this should be it.''

Editor's Note
The Theory
The Heavenly Bodies
The Geographical Position (GP)
Declination Hour Angle
The Zenith
The Horizon Altitude
Zenith Distance
The Elevated Pole Azimuth and Azimuth Angle
Great Circles Universal Time (UT)
The Position Line Spherical Triangles
The Intercept Sextant
Altitude and Observed Altitude Dip
The Practice Almanacs and Tables
Almanacs; Sight Reduction Tables
A Sun Sight in Winter Using the Sextant
Recording the Sights
Correcting the Data
Using the Almanac
Using the Tables
Plotting the Sight
A Sun Sight in Summer
A Moon Sight
A Running Fix Planet
Sights Meridian
Sights Star
Sights Sidereal
Hour Angle
Twilight and Preparation of Star Sights
Using the Meridian Passage
Pole Star Sights
Sextants Calculators
"Short" Sight
Reduction Tables
Practice Sights Plotting
Nautical Almanac, 1990, for December 6, 7, 8
Nautical Almanac, 1990, for July 15, 16, 17
Nautical Almanac, Increments and Corrections for 56m and 57m
Nautical Almanac, Altitude Correction Tables, 10 degrees - 90 degrees - Sun, Stars, Planets
Nautical Almanac, Altitude Correction Tables, 0 degrees - 35 degrees - Moon and 35 degrees - 90 degrees - Moon F. H.O. 249 Vol. III for Lat. 52 degrees, Declination (15 degrees to 29 degrees) CONTRARY name to Latitude, LHA 69 to 0
H.O. 249 Vol. II or III Table 5
Nautical Almanac, 1993, for October 10, 11, 12
H.O. 249 Vol. I, Epoch 1995.0, for LAT 33 degrees N, LHA Aries 0 to 179
Table of Contents provided by Publisher. All Rights Reserved.

ISBN: 9780070059283
ISBN-10: 0070059284
Audience: General
Format: Paperback
Language: English
Number Of Pages: 69
Published: 1st November 1994
Publisher: McGraw-Hill Education - Europe
Country of Publication: US
Dimensions (cm): 21.59 x 13.97  x 0.64
Weight (kg): 0.11
Edition Number: 2