Calculates and displays the positions of Jupiter's four main (Galilean) moons - Io, Europa, Ganymede and Callisto for any date and time
Provides timezone support based on a PC's time, date and timezone settings and takes account of Daylight Savings Time
Displays side-on view as it would be seen through one of three optical configurations (Binoculars, Astronomical Telescope, Star Diagonal) and plan view of Jovian system
Displays the selected Date, Time and optical configuration
