Planetarium is an application for the beginning star gazer as well as for the professional astronomer. They use it to find or identify objects in a clear night-time sky. It calculates the position of the sun, the moon, the planets, thousands of stars, hundreds of deep sky objects, comets and asteroids for any time and any geographical position and draws sky maps of any section of the sky. It shows you twilight times, moon phases, and various astronomical information like coordinates, magnitude, distance, rise and set times, etc. of the planets and all the other objects in the sky.