Celestial navigation

Description

The concept of the celestial sphere - Systems of co-ordinates - Projection of the celestial sphere on horizon /meridian and equinoctial planes - Apparent diurnal motion of heavenly bodies - Annual motion of sun and how it affects the day and night phenomena - Apparent motion of planets and moon - The concept of time phenomena and keeping time aboard ships - Extracting data from nautical Almanac tables - Theory of marine sextant, corrections of measured altitude - The spherical triangle PZX and its solution knowing HA, Dec and lat - Intercept method for obtaining the astronomical position line - Compass error by time method - Solar system, Hour angle - Daily motion and horizontal system of co-ordinates - Sextant and altitude correction - Pole star observations.

Program

Fisheries Technology

Objectives

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