Fig. 6From: EUV signals associated with O+ ions observed from ISS-IMAP/EUVI in the nightside ionosphereDifference of the EUV images shown in Fig. 1 from the simulated images in Fig. 5 for the periods 21:08:26–21:09:25 UT (a) and 21:18:38–21:19:37 UT (b) on December 26, 2012Back to article page