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.
http://feedproxy.google.com/~r/spaceref/jext/~3/i2m0hM9Zlsw/viewpr.rss.html
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