Useful websites

The Astronomical Society of Southern Africa
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

Mailing lists

AstroNet: Southern African Astronomy Communication NetworkQuickCam and Unconventional Imaging Astronomy YahooGroup
Astronomical Spectroscopy YahooGroup