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On August 1, 2010, the sun produced a complex event, or really a set of events. At approximately 8:55 UT a large filament on the northwest of the sun erupted and at nearly the same time in sunspot active region … Read more
The STEREO (Ahead) spacecraft caught this spectacular eruptive prominence in extreme UV light as it blasted away from the Sun (Apr. 12-13, 2010). This was certainly among the largest prominence eruptions seen by either the STEREO or SOHO missions. The … Read more
“The twin STEREO spacecraft (called Behind and Ahead denoting their relative positions in space), now almost 120 degrees apart, captured this large and dramatic prominence eruption over about a 30-hour period between Sept. 26-27, 2009. Prominences, called filaments when they … Read more