Personal Pages of Astronomers - a large number of personal Astronomy pages. Planetary Photojournal NASA's Image Access Home Page. Muslim astronomers and scientists of old. There are several Usenet groups devoted to Astronomy. There is a vast array of astronomy related software available for download on the Net.
Some programs are shareware, others are public domain, charityware or demos.
Download MoonCalc 5.2 - a computer program to assist in crescent sighting. Download QiblaCalc 1.0 - a computer program to calculate qibla direction and magnetic declination. The SEDS ftp archive , University of Arizona. Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation by a professional astronomer.