SDO/AIA 304 Å filtergrams of active region NOAA 12544 at four time steps around the occurrence of a C1.3 flare. The dashed green line is the FOV of GREGOR/GRIS data. The solid blue line represents the contour of the umbra as seen in HMI continuum images. The blue arrow points to the origin of the flare in the top panels and to the position of the ejected plasma blob in the bottom panels.