As Seen by STEREO-A: The Carrington-Class CME of 2012
We see the flare erupt in the lower right quadrant of the solar disk from a large active region. The material is launched into space in a direction towards STEREO-A. This creates the ring-like 'halo' CME visible in the STEREO-A coronagraph, COR-2 (blue circular image).
As the CME expands beyond the field of view of the COR-2 imager, the high energy particles reach STEREO-A, creating the snow-like noise in the image. The particles also strike the HI-2 imager (blue square) brightening the image.
The HI-1 imager has had 'bloom removal' enabled and filled with contents of the immediately previous HI-1 image, which creates a linear artifact above and below bright stars and planets.
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SeriesThis visualization can be found in the following series:
Datasets used in this visualization
STEREO-A (Collected with the Extreme UltraViolet Imager (EUVI) sensor)
STEREO-A (Collected with the Heliospheric Imager 1 (HI-1) sensor)
STEREO-A (Collected with the Coronograph 2 (COR2) sensor)
STEREO 195 Angstroms (Collected with the Extreme UltraViolet Imager (EUVI) sensor)
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