Celestial navigation Celestial navigation Celestial navigation, also known as astronavigation, is the ancient and modern practice of position fixing that enables a navigator to transition through a space without having to rely on estimated calculations, or dead reckoning, to know their position. Celestial navigation uses "sights", or angular measurements taken between a celestial body (e.g. the Sun, the Moon, a planet, or a star) and the visible horizon. The Sun is most commonly used, but navigators can also use the Moon, a planet, Polaris, or one of 57 other navigational stars whose coordinates are tabulated in the nautical almanac and air almanacs.
Way of the Celestial Masters in the view of the Heavenly Masters. The Shangqing syncretized the Heavenly Masters with fangshi. Buddhism, Fangshi, and Heavenly Masters were synchronized in Lingbao. The 180 precepts of the Celestial Masters were rules on morality. Stocking up riches was banned by Daoism. A 173 AD Sichuan stele provides physical proof for the Celestial Masters existence at its oldest. China's southeastern area may have seen the spraed of Celestial Masters in the Six Dynasties. At the start of their existence a large amount of religious text canon was already written by the Celestial Masters. Celestial Masters used an 精室 "essential chamber"