Fig. 5.


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Left panels: close-up images of two beacons in the N III line on 14 May 2020 (top) and O VI line on 17 June 2020 (bottom), right panels: distribution of intensities of the two beacons along a portion of the slit, for the X-position in the images corresponding to the brightest emission. Note that the top and bottom panels represent two different sources.

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