Useful websites
- The Astronomical Society of Southern Africa
- Beginners guide to astrophotography
- How to photograph the Milky Way
- APOD, the ‘Astronomy Picture of the Day’
- European Southern Observatory Photo Gallery
- NASA image of the day
- Hubble picture of the week
- Images of Earth from space, updated daily
- Heavens-Above – predictions for satellite passes and other dynamic celestial events
- YR.NO – Weather forecast for the various regions in South Africa
- Solar and lunar eclipses
- The very latest SOHO images
- SpaceWeather – Science news about the Sun-Earth environment
- The International Meteor Organization (IMO) homepage
- Cloudy Nights discussion forum
- The Digitized Sky Survey
- ADS – Digital library of much of the astronomical research literature
- arXiv – Open access to research papers in astronomy and related disciplines
- ‘Horizons’ ephemeris service (key solar system data)
- SIMBAD – Basic data for over 3 million objects outside the solar system
- DOC – Deep-Sky Observer’s Companion database of descriptions and tools