The angle between the two objects is then read off the scale. What makes a sextant so useful in navigation is its accuracy. It can measure an angle with precision to the nearest ten seconds.

There's no way around it: Celestial navigation using a sextant is a complex and involved ... the horizon and the sun when the sun is at its highest point, which is right around noontime on your ...

But the sextant, with its simpler design, means that you can only measure the angle, and cannot use the instrument to account ...