Nautical Almanac 2008 Pdf -

The primary purpose of the almanac is to provide the positions of celestial bodies—the Sun, Moon, visible planets, and stars—relative to the Earth at any given second of the year [2]. Navigators use this data alongside a sextant to calculate their geographic position at sea [2]. Core Contents of the 2008 Edition

The Greenwich Hour Angle of the First Point of Aries ( Υcap upsilon nautical almanac 2008 pdf