SOLER Jan 1, 2024 Go to Project Site Webpage Follow SOLER logo Coronal Mass Ejection SEP Shock Solar Energetic Particles SOLER Jan Gieseler Senior Researcher Related SPEARHEAD The first ground-level enhancement of solar cycle 25 on 28 October 2021 Multi-spacecraft observations of the structure of the sheath of an interplanetary coronal mass ejection and related energetic ion enhancement Solar-MACH: An open-source tool to analyze solar magnetic connection configurations The 17 April 2021 widespread solar energetic particle event