Fig. 2.

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AIA observations in two channels and HMI data show the coronal loops of the AR with different sizes and magnetic polarities. Top panel: Magnetic field lines in channel 171 Å. Middle panel: Magnetic field lines in channel 94 Å. This channel shows mainly the small-scale loops of the AR. Larger loops with lower temperatures are only faintly visible. Bottom panel: Colorized magnetogram based on HMI data showing the different polarities of the AR. The overlaid illustrations of possible loops were identified by eye from the AIA observations.
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