Area distributions (panels a,c) and diameter distributions (panels b,d). Both cases are shown for the dataset-G with cut-off of 50% (panels a,b) and 80% (panels c,d). The plots depict a distribution with a log normal fit (red curves) and the two components (green curves). The blue vertical line around 2000 km² (45 km) for area (diameter) indicates the spatial resolution by diffraction of GREGOR.