Fig. 4.
Prominence and polarity inversion lines. Top left panel: BBSO Hα filtergram, bottom left panel: AIA 193 Å image of the prominence. The field of view is the same as in Fig. 3a. Right panels: corresponding images with polarity inversion lines (PIL) at different heights (12 Mm–84 Mm) overplotted. The temporal evolution of the filament eruption as seen in the (extreme) UV by AIA in 1600 Å, 304 Å, 171 Å, and 131 Å is available as a movie online.
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