Observing

• Sky & Telescope magazine's weekly sky notes.
• Heavens Above: How to see artificial satellites as well as comets and minor planets.

Help, Tutorials and Tuition

• Advice for First Time Telescope Buyers.
• Tutorials on equatorial mounts and collimation.

Software

• Stellarium: A free cross platform star chart.
• RegiStax: Free planetary image stacking and processing program.
• DeepSkyStacker: Free deep sky image stacking and processing program.

Space and Astronomy News

• Universe Today: News about spaceflight and space science.
• Space weather: News about solar activity, comets and asteroids.
• The planetary Society Blog: News about solar system exploration.

Organisations

• Federation of Astronomical Societies
• British Astronomical Association
• Coventry & Warwickshire Astronomical Society