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Sextant - Wikipedia 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 and the horizon for the purposes of celestial navigation
How Sextants Work: An Illustrated Guide – Casual Navigation A sextant is a navigational instrument that measures the angle between two objects It uses a pair of mirrors to overlay one object over the other The angle between the objects is proportional to the angle between the mirrors, so you can read it directly from the arc of the sextant
What is a Sextant and How Does it Work? - Orbitshub A sextant is a navigation instrument used to measure the angles between celestial bodies and the horizon It works by aligning the index mirror with the celestial body and reflecting its image onto the horizon mirror
A Comprehensive Guide to Marine Sextant A sextant is a marine navigation instrument used to measure the angle between two objects Learn everything about Sextants in this article
What is Sextant, its types, principle and errors - MarineGyaan Sextant is one of the oldest navigation instruments used by mariners, its called sextant because its arc is 1 6th of a circle i e 60° but it can measure angles upto 120° using double reflection principle
What Does the Sextant Do 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
3 Ways to Use a Sextant - wikiHow 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 relative to the horizon
Sextant Navigation: How Does a Sextant Work? - Bright Hub Engineering The sextant derives its name from the extent of its limb which is the sixth part of a circle, or 60 degrees The marine sextant is a double reflection instrument, used for measuring angles in then same plane