You're literally so ignorant you didn't know sextants are used

specifically, for finding spherical longitude/latitude coordinates.

The stars are used to determine longitude and latitude, with one.

Are we all gonna have to tell you this again tomorrow??

As mentally ill as you act, I'm betting we will.

"Sextant - Principle, Types, and Uses"

"The Nautical sextant, also called as the Vernier sextant or Marine sextant,

is an instrument mainly used, TO DETERMINE LONGITUDE and LATITUDE,"

by measuring angles between two objects."

https://theconstructor.org/surveying/sextant-types-uses/33990/

Britannica Encyclopedia:

"Sextant: An 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.''

https://www.britannica.com/technology/sextant-instrument