Fig. 6.
(a) TRACE 195 Å observations of active region NOAA 10930 at 3:38 UT on 2006 December 15. (b) The brightness distributions in the Hα band at 6:55 UT on the same date. The analyzed filament is shown by a solid line box. (c) Drawing to indicate the brightening above the dark filament in the TRACE image in panel (a). (d) A cartoon describing our explanation of the brightening feature.

(a) TRACE 195 Å observations of active region NOAA 10930 at 3:38 UT on 2006 December 15. (b) The brightness distributions in the Hα band at 6:55 UT on the same date. The analyzed filament is shown by a solid line box. (c) Drawing to indicate the brightening above the dark filament in the TRACE image in panel (a). (d) A cartoon describing our explanation of the brightening feature.

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