The World Almanac displays solar and lunar data for every 30 minutes throughout the day in addition to the times of rise, set and twilight as well the lunar phase. Includes database of towns for Australasia(Aus/NZ), Canada. UK and USA.

Simple Focus is a small tool to easy your job in focusing your telescope. Whatever you need to adjust your focus between different eye-pieces or for digital astrophotography, this tool will save you valuable time.

Custom designed software to capture images from telescopes cameras manufactured by The Imaging Source.

Watch Nasa TV including live space shuttle launches and space walks plus all the Sky at Night programs from December 2001 over the internet plus view live solar images and get ISS and satellite pass predictions for your location.

This utility can convert a gregorian date into julian day format/Modified Julian Day format and vice versa. The Julian Day Format counts the day since the 24th november -4713bc.

StarStrider is a software planetarium that utilizes the latest in 3D-technology in order to show you not only the planets and satellites of our solar system, but also galaxies, nebulas, and hundreds of thousand of stars - in real-time 3D.

Combine multiple sights on different tracks. Data available for 9999BC to 9999AD including a Star Atlas, twilights and eclipses. It will print conventional Nautical Almanac pages while the voyage plan is a sophisticated tool in its own right.

A program to search for eclipses (lunar, solar, total, annual and umbral), to calculate the phase of the Moon at any given date and time and to convert between dates in the Gregorian and Julian calendars and dates in various lunar calendars.

A program to convert between dates in various Chinese calendars and dates in the Gregorian and Julian calendars, and to find lunar new year's day and leap months for any year in the Chinese Calendar.

View a dark energy inside Solar system on your dektop with this screensaver! This screensaver shows all planets of our solar system, uncluding Saturn's rings. It makes you able to know about dark matter and dark energy in our planet system.

Screensaver that shows a 3D random arbitrary solar system that shows planets with random orbits and textures from real solar system planets and imaginary planets around the sun

Moon Phase Calculator is simple and easy to use tool that allows you to calculate the phase of the Moon for any time in the past or future and to search for the next or previous full moon, new moon or first or last quarter.