2.3.0 spase://NASA/Annotation/Alysha.Reinard/MagneticCloud/ACE.2007-05-21T22_19_00 Magnetic cloud observed by ACE 2020-07-07T19:06:17Z MC identified based on strong magnetic fields, large magnetic field rotation, enhanced helium/proton density ratio, and depressed proton temp temperatures were calculated because actual measurements were not available FIXME spase://SMWG/Person/Alysha.Reinard MetadataContact Event was identified by Liu et al., 2008 https://iopscience.iop.org/article/10.1086/587839/meta Liu, Y., J. G. Luhmann, K. E. J. Huttunen, R. P. Lin, S. D. Bale, C. T. Russell, and A. B. Galvin, ApJ, 677, L133, 2008. spase://SMWG/Instrument/ACE/MAG ObservedBy spase://SMWG/Instrument/ACE/SWEPAM ObservedBy spase://NASA/Annotation/Alysha.Reinard/MagneticCloud/STEREO-A.2007-05-21T19_12_00 Other spase://VHO/Annotation/Alysha.Reinard/MagneticCloud/ACE.2007-05-21T22_19_00 spase://VSPO/Annotation/Alysha.Reinard/MagneticCloud/ACE.2007-05-21T22_19_00 Event MagneticCloud Inspection Strong 2007-05-21T22:19:00Z 2007-05-22T12:43:00Z Heliosphere.NearEarth FIXME FIXME