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 not found among the religious texts in the Lingbao caves. The ceremonies of the Celestial Masters, Sanhuang, Lingbao, and Shangqing were categorized and grouped by Lu Xiujing. In the Eastern Han the Celesial Masters spread to the northwest. Celestial Masters believed in communication with spirits. Religious canon was divided into 七部 7 sections during the Southern dynasties by the Celestial Masters. Non specific designations were used for the divinities of the most sublime station by the Celestial Masters. 道門定制 Daomen dingzhi was a religious texts composed in the Song dynasty. Buddhism, Celestial Masters and fangshi all contributed to the religious