Fig. 3.
Left: rastered (east to west) image of the quiet Sun obtained with the SUMER spectrograph aboard SOHO in the C I continuum around 104 nm. Right: line of sight magnetogram of the same area taken by the MDI instrument aboard SOHO. Data are clipped to the −85 to +85 G range. The magnetogram was acquired around the time SUMER completed the 13 minutes scan, on 17 April 2009 around 09:38 UTC.
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