Observation of a substorm onset on 12 September 2001
Staircase ion signature observed by Cluster in the mid-altitude polar cusp
CLUSTER spacecraft observation of a thin current sheet at the Earth’s magnetopause
Ion kinetic features around a lobe reconnection site
Archival of the Cluster ion spectrometry (CIS) data in the Cluster active archive (CAA)
Improvement of plasma measurements onboard Cluster due to spacecraft potential control