you use a sextant to navigate.
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. ... The angular distance of the star above the horizon is then read from the graduated arc of the sextant
Sextant
A sextant.
Sextant.
the sextant
He used a compass and a sextant on his expedition. :)
A sextant, possibly.
you can find sextant on history.com
The term "sextant" comes from the Latin word "sextans," meaning one-sixth. This refers to the instrument's ability to measure angles up to one-sixth of a circle (60 degrees). The sextant is commonly used in navigation to determine the altitude of celestial bodies.
you draw a sextant by looking at googler in the images.
So you can stay happy and feel good
Theodolite on land, sextant at sea