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The nautical star is an informal signifier indicating membership in the United States Coast Guard, United States Navy, or United States Marine Corps. The symbol recalls both the five-pointed star of the US national flag and the color pattern of the compass rose found on many nautical charts. Insignia including nautical stars:
The sidereal compass rose demarcates the compass points by the position of stars ("steering stars"; not to be confused with zenith stars) [6] in the night sky, rather than winds. Arab navigators in the Red Sea and the Indian Ocean, who depended on celestial navigation, were using a 32-point sidereal compass rose before the end of the 10th century.
Equatorial stars of the eastern hemisphere. The equatorial region of the celestial sphere's eastern hemisphere includes 17 navigational stars from Alpheratz in the constellation Andromeda to Denebola in Leo. It also includes stars from the constellations Cetus, Aries, Taurus, Orion, Canis Major and Minor, Gemini, and Hydra.
Star of David, or Jewish Star, a hexagram symbolizing Israel, Judeans, and/or Jews; properly speaking, this "star" is called the "Shield of David," (Magen David), while the pentagram is the "Star of David." Note that this is a cultural, rather than religious symbol. Star of Lakshmi, a Hindu symbol associated with the goddess Lakshmi
Because the nautical star can consist of any two contrasting colors, the symbol is better rendered in monochrome. Also, I cleaned up the way the vertices meet in the center and increased the width of the border and the symbol's overall size. 19:43, 7 November 2006: 500 × 500 (4 KB) Grendelkhan
The range in which the light is visible, e.g. "10M" for 10 nautical miles. An example of a complete light characteristic is "Gp Oc(3) W 10s 15m 10M". This indicates that the light is a group occulting light in which a group of three eclipses repeat every 10 seconds; the light is white; the light is 15 metres above the chart datum and the ...
A diagram of a typical nautical sextant, a tool used in celestial navigation to measure the angle between two objects viewed by means of its optical sight. Celestial navigation, also known as astronavigation, is the practice of position fixing using stars and other celestial bodies that enables a navigator to accurately determine their actual current physical position in space or on the ...
Below there are lists the nearest stars separated by spectral type. The scope of the list is still restricted to the main sequence spectral types: M , K , F , G , A , B and O . It may be later expanded to other types, such as S , D or C .