This application calculates the Altitude (Hc) and
Azimuth (Az) of a Celestial Body as observed in a specific Location.
CNP: Celestial North Pole
P: Position of the Celestial Body on the Celestial Sphere
Z: Zenith of the Observer
The Azimuth (Az) is measured from the North branch of the Celestial Meridian at
the observer's location (Z) towards the Position of the Celestial Body (P)
from 000° at the Meridian clockwise through 360°.