Fig. 4From: Transient ionization of the mesosphere during auroral breakup: Arase satellite and ground-based conjugate observations at Syowa StationElectromagnetic wave activity in the magnetosphere as observed by the Arase satellite for the 2-h time interval from 2200 to 2400 UT on June 30, 2017, when the footprint passed through the field of view of the all-sky cameras at Syowa StationBack to article page