Fig.7 (~0.05Mb): CDS observations of the prominences as seen in 6 lines (He I, O III, O IV, O V, Ne VI, and Mg X). The time indicate the mean of the rasters. The prominence is in emission for lines formed at T < 5 105 K (until Ne VI). In Mg X we observe a lack of emission due to absorption of chromospheric continua.
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