Hans Anger info

Astronomy for the Palm OS. Orrery displays the orbital positions of the nine planets around The Sun. Animate the display to easily visualise elongations of Mercury and Venus, and oppositions of the outer planets. In the information window you call ..

Observe Jupiter's four largest moons and The Great Red Spot. Jovian is an all-in-one observing tool for Jupiter, helping you to easily locate and identify the moons and the Great Red Spot's position in our solar system for any given time and date w..

Lunar helps you observe the moon by showing you the phases, the position in its orbit around Earth, the distance from Earth, its age in the current lunation, and the percentage of illumination. It also gives you the names of the prominent features ..