Fig. 9From: \(\textrm{O}^+\) density distribution in the nightside ionosphere reconstructed from ISS-IMAP/EUVI dataThe expectation of EUV counts under the \(\textrm{O}^{+}\) distribution estimated from the synthetic images (a) and the expectation of EUV counts under the IRI \(\textrm{O}^{+}\) distribution (b) at about 21:08 UT, 21:11 UT, 21:15 UT, and 21:18 UT. The meaning of the orange contours is the same as in Figure 5Back to article page