Introduction
Sunspot Activity Notes
Disk Animations
Sunspot Development
Eclipses of the Sun
Glossary
Hydrogen Alpha
Sunspot Measurements
Observing the Sun
Parallactic Angle
Software
Solar Books
Stonyhurst Disks
The Sun as viewed from the Earth
Sunspot Area
Sunspot Location
Sunspot Numbers
Sunspot Trends
Transits
Useful Links

November 2006

Last updated on 03 December 2006.