Fig. 1.
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EUV image of the solar disk observed by the SDO-AIA instrument in the 171 Å channel (upper panel) and line-of-sight magnetic field from the SDO-HMI instrument (lower panel). The images were taken on 16 August 2015 at 11:35:08 UT. The blue circle marks one sample CBP as identified by our tracking algorithm, see also the same CBP in Fig. 2. The coordinates are provided in helioprojective format, with solar north oriented upwards. A video illustrating the evolution of this CBP can be accessed online (https://zenodo.org/record/11370091).
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