2.2.2 spase://NASA/Catalog/SOHO/LASCO/Halo.EVENTLIST SOHO LASCO Halo CME Event List 2020-07-07T19:17:05Z SOHO LASCO Halo CME (Coronal Mass Ejection) Event List spase://SMWG/Person/Nat.Gopalswamy GeneralContact spase://VSPO/Catalog/P_SOHO_HDR_LASCO_Halo_CME_EVENTLIST spase://VSPO/Catalog/SOHO/LASCO/Halo.EVENTLIST spase://SMWG/Repository/NASA/GSFC Online Open CDAW Halo CME listing at GSFC https://cdaw.gsfc.nasa.gov/CME_list/halo/halo.html Text spase://SMWG/Instrument/SOHO/LASCO CoronalMassEjection 1996-01-11T00:00:00 -P6M Data are current to within about 6 months.