The following movies have been archived due to some interesting or unusual solar activity that
was recorded by the Sac Peak solar hydrogen-alpha telescope.

A complete daily record of H-alpha activity from March of 2000 through the end of April 2001 has been compiled and is available as a four CD-ROM set with special software to navigate the enormous database of h-alpha movie data. For more information, visit:

25 Feb 2000: Large filament eruption associated with an M-class flare in Region 8889.
04 Mar 2000: Filament in southeast becomes extremely agitated. Almost erupts.
04 Mar 2000: Another filament, just to the south of the one noted above, DOES erupt shortly after the filament to the north almost erupts.


SWARM: Advanced Space Weather Early Warning System