Comment Section

A short duration magnetic cloud (~12-hour-long) embedded in a CIR
Solar source is not clear; need more work to identify the source.
ICME event started at 2007/11/19 17 UT, not 24 UT as shown in the plot
The possible (but problematic) CME candidate from CDAW: 2007/11/15 18:50:04 UT, PA 279, AW 199, Vel 125 km/s, a faint gradual partial halo CME
Where is the surface source? A possible "stealth" CME?

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.