Издание на английском языке
The book is a guide to celestial navigation, covering the theory, instruments, and practical methods of determining a vessel's position using celestial bodies. It covers the basics of astronomy, coordinate systems, the motion of stars and planets, and the use of a marine sextant, nautical almanac tables, and calculations for accurate observations. The book is intended for marine navigators, students, and professionals who wish to master modern methods of determining position at sea.
Content
Part one: Descriptive astronomy
The Concept of the Celestial Sphere
Systems of Coordinates on the Celestial Sphere
Apparent Diurnal Motion of Celestial Bodies
Apparent Annual Motion of Sun
Apparent Motion of Moon
Apparent Motion of Planets
Part two: Tools used in celestial navigation
The Concept of Time and its measurement
Nautical Almanac Tables and its use
The Theory and Construction of the Marine Sextant
Sextant altitude Corrections
Solving the Spherical Triangle PZX
Twilight Phenomena & Star Sights
Part three: Applied celestial navigation
Theory of the Astronomical P.L
Theory of Polaris
Preparation for star sights
Solving simultaneous sights
Theory of solving Long- Run sights
Preparation for Noon sight
Compass error