A sextant is a doubly reflecting navigation instrument that measures the angular distance between two visible objects. The primary use of a sextant is to measure the angle between an astronomical object …

A sextant is a handheld optical tool that helps you find your position at sea by measuring the angle between the horizon and a celestial body, usually the Sun or a bright star.

To use a sextant on land, you either need an artificial horizon or a bubble sextant. At sea, we can use the horizon, but on land, we need to simulate the horizon instead.

Jan 29, 2024 · Sextant is an essential tool for celestial navigation and is also used by mariners to measure the angle between the horizon and a visible object (or two objects at sea).

Oct 8, 2025 · A sextant is an old navigational tool that measures elevation using angular distances. You can use a sextant to determine the altitude in the sky of the sun, moon, or other celestial bodies …

Celestial navigation (aka astronavigation) is the art and science of finding one's geographic position through astronomical observations, particularly by measuring altitudes of celestial objects (bodies) …

In this article, we will delve into the fascinating world of celestial navigation and learn how to use a sextant, an essential tool for any sailor venturing into the open sea.

3 days ago · Discover the meaning of the marine sextant. Learn how this essential tool for celestial navigation works, its history from the Kamal to the modern day, and how to adjust for errors.

Sextant, instrument for determining the angle between the horizon and a celestial body such as the Sun, the Moon, or a star, used in celestial navigation to determine latitude and longitude.

Aug 30, 2025 · A sextant is an optical instrument used in navigation to measure the angular distance between two visible objects, most commonly a celestial body and the horizon. This measurement, …