Marine Sextants: A marine sextant is an essential navigational instrument used to measure the angle between an astronomical object (such as the sun or stars) and the horizon. It is crucial for celestial navigation, especially on long voyages. Although modern GPS systems have replaced some of its functions, the sextant remains a reliable backup tool […]
Tag Archives: Celestial Navigation
An azimuth circle is a navigational instrument used with a ship’s compass to measure bearings of celestial bodies or landmarks. It consists of a graduated ring mounted on the compass, allowing mariners to determine the ship’s heading relative to a fixed point. Essential for traditional navigation, the azimuth circle aids in accurate course plotting and […]