SolarHam | Three CMEs + Comet - STEREO Ahead COR2 (Oct 2, 2011)

Several Coronal Mass Ejections are seen in this STEREO Behind COR2 movie. The first one was caused by a long duration M1.2 solar flare on Oct 1 around Sunspot 1305. The second was a farside event. The 3rd was during the early hours of Oct 2nd and resulted from an M3.9 Solar Flare around Sunspot 1305. Also notice the sundiving comet.