The sextant is an instrument used to measure angles. Its arc is one sixth of a circle. Hence it is called a sextant.In actual practice, the arc of the sextant is about 60°. Being an instrument of double reflection, it can measure angles up to
Sextant A sextant is an instrument used to measure the angle between any two visible objects. Its primary use is to determine the angle between a celestial object and the horizon which is known as the object’s altitude. Using this measurement is known as taking