Fig. 5
(a)-(c) Auroral images recorded by SSUSI for 17:00 UT, 20:30 UT and 22:15 UT on 10 May 2024. (d)Â Auroral boundary derived using Field Alligned Currents (FAC) for northern hemisphere (e)Â The dual SWARM satellite-based FAC variation, observed from 9 to 13 May 2024.
