- The Sky above Fordingbridge NOW (You can configure it for different times and places)
- Graphic Sun Rise & Set on Google Map (I've set it at our Hyde Common observing spot, but you can drag it to where you like and change the time/date.)
Risk Assessments, etc
- Objects in the Sky — Quick explanations of the various types of astronomical objects (.PDF).
- Paul's Glossary — An exceptionally comprehensive glossary of astronomical words, abbreviations, symbols, facts, etc.(.PDF))
- Steve's Glossary — A smaller, alphabetical, glossary of astronomical terms.
- Phil Salimbene's Glossary — Yet another glossary of astronomical terms.
- Photonics Dictionary — Definitions, Abbreviations, Illustrations, Terms
General Astronomy Tutorials
- Astronomy for Beginners Exactly what it says it is!
- Asterism Astronomical Tutorials — Astronomy Tutorials
- Astronomical Unit Tutorials — Tutorials in Practical, Theoretical and Historical Astronomy
- USNO Data Services — Lots of Useful Astronomical Data
- The 100 Nearest and 100 Brightest Stars
- Telescope Buyer's FAQ
- International Journal of Scientific History
- Magnetic Declination and Field Value Calculators
- This Restless Globe — A Look at the Motions of the Earth in Space and How They Are Changing
- Optics and Visual Perception
- Colour Filters for Astronomy
- Lunar and Solar Periods
- IAU FAQ on Naming Stars
- The Moon Illusion (1)
- The Moon Illusion (2)