Fig. 1
From: Unusual enhancement of ~ 30 MeV proton flux in an ICME sheath region
Overview of the energetic proton observations by GOES, SOHO, Wind, STEREO-A, and STEREO-B from 3 to 6 June 2011. The GOES satellite measured an unusual enhancement of protons in the 15–40 MeV energy range at around 0 UT on 5 June