GREGOR first results
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Fig. 1


Overview of active region NOAA 12118: HMI continuum image (top left), HMI magnetogram (top right), AIA λ160 nm image (bottom left), and AIA Fe ix λ17.1 nm image (bottom right) observed on 2014 July 18 at 08:00 UT. A bipolar EFR appeared on 2014 July 17 to the west of the central meridian in the northern hemisphere. Observations of active region NOAA 12118 started at 08:00 UT and ended at 10:40 UT on 2014 July 18. The rectangle is the FOV covered by GREGOR high-spatial resolution data. The two major pores and one smaller pore are marked as P1, N1, and N2 to aid discussions in Sect. 3.3

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