Introduction
Sunspot Activity Notes
Solar Observing CD-ROM
Sunspot Development
Disk Animations
Disk Drawings
Eclipses of the Sun
Glossary
Hydrogen Alpha
Latest Disk Animation
Latest Disk Drawing
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
What's New

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Last updated on 27 January 2007.