PalmDSC is a free program that will let a PalmOS handheld interface with a telescope DSC encoder system.
It has databases for the Messier objects, the entire NGC/IC catalog, the planets, etc.
PalmDSC is robust and easy to use in the field. The C-language source code is also available
Planet 2000 - The program Planet 2000 allows to calculate the position of the solar system bodies, from Mercury up to Saturn. It also calculates the Sun and the Moon position. The program gives the celestial coordinates (Right ascension and Declination) and the coordinates of the celestial body respect on the observer (topocentric coordinates Azimuth and Altitude)
Planetarium is an application for the Palm Connected Organizer that plots star charts and offers some unique, useful features for the beginning star gazer as well as for the professional astronomer
Planets Information, HanDBase - Requires HanDBase. Information about the 9 planets, including: Mass, Volume, Rotation, Revolution, Temperature, density, gravity, Distance from SUN, Axial Tilt, moons. This is something that everyone can use.
· The Demo is limited to 3 planets and the SUN
PocketSat+ (Palm OS) is a full-featured satellite tracking application for PalmOS devices. It is designed to be usable by both experienced satellite trackers as well as novices who are interested in knowing when they can simply look up and see satellites
pSatellite is a satellite tracking application for the Palm OS environment. It provides visualization of satellite orbit position on a world map (Mercator projection) from any ground location you enter within pS
Satellites of the Solar System - This is Smartlist To Go (formerly ThinkDB) database contain a listing of the satellites of the 9 major planets and those found around asteroids and minor planets.
This database is complete free and will remain so for all future updates
SiderealTime - Finally, an easy to use sidereal time clock/calculator for Palm OS. Astronomy made easy! Whether you're a professional astronomer, or just a casual observer with a star chart, knowing the sidereal time is important! With SiderealTime 1.0 and your PDA running Palm OS, just indicate your longitude and time zone and instantly find out the sidereal time
Sol System is a program designed to show the position and orbit for all the planets in the Sol system (Sol being the name of our star). This kind of display is sometimes called an orrery and is useful in seeing planetary alignment for various dates.
· Main screen displays as many planets as you wish at varying zoom levels
