Comment Section

Very strong compressed magnetic field in the sheath region. In the ejecta, the magnetic field is weaker than it in sheath region. The duration of this ICME is very long, about 2 days. (Yutian)

Image Data

A combination of MFI and SWE data from the Wind Satellite:

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The grey region shows an approximation of the CME cloud and the red vertical line denotes the shock.