Comment Section

No clear shock or compression front, which makes some sense because the velocity is never very high here. The signatures of this event are all rather weak and unclear and may be CIR related. The only thing that really stands out here is the extended -Bz (Hess)

Image Data

A combination of SWEPAM and MAG data from the ACE Satellite:

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The blue lines are an approximation of the CME cloud and the red line denotes the shock.