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 within the Palm's date range...

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 on the face of the moon and the major quarters in the current lunation. Lunar also allows you to add the major moon phases to your date book...