👉 Horography, also known as celestial navigation or astronomical charting, is a method used to determine the position of an object on the earth's surface from its location on a celestial sphere, such as the horizon. This technique involves using the positions of stars and planets in the sky to calculate the angle between the object and the horizon at any given time. In horography, the observer places a compass or other device at a fixed point on the ground, known as the base station. The position of