Time-delay scatter analysis for the darkest RBE moments in data A only, in the same way as in the first columns of Fig. 9, but selecting internetwork (left, label IN) and network (right, label NW). Upper images: darkest value per pixel at Δλ  =   − 0.8 Å. Lower images: darkest value per pixel at Δλ  =   + 0.4 Å during 2 − 5 min delay after the upper-image pixel sampling. Scatter diagrams: corresponding pixel-by-pixel correlations. The green box and contours select darkest-RBE and darkest delayed red-core pixels in the network areas. Online image blinkers: 1–3, 2–4.