Figure 3
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Examples of GOLD Level1C Nighttime (NI1) disk scans at 135.6 nm on 2022-08-17 at (a) 20:55 UTC and after 15 min at (b) 21:10 UTC. Scans from both channels A and B are combined to present the complete image. The Northern and Southern crests of the EIA can be observed with increased radiance on either side of the geomagnetic equator, marked by the black dotted line. Three EPBs, B1, B2, and B3, are highlighted by black arrows enclosed within a yellow oval.
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