Fig. 1From: The first super geomagnetic storm of solar cycle 24: “The St. Patrick’s day event (17 March 2015)”Coronal images recorded by SOHO/LASCO C2 during 00:00–03:12 UT (a–h) on 15 March 2015. At 0148 UT (b) C2 recorded a CME that erupted from the southwestBack to article page