Figure 17

(Upper) Continuum image at 789 nm and (Lower) simultaneous H\(\alpha \) wing image. The filter is 0.05 nm wide with its pass-band centered on the red wing of the H\(\alpha\) line. Strong, likely field-aligned chromospheric flows appear as dark fibrils. The H\(\alpha \) wing image shows fibril structure originating from the “bright points” seen in continuum. These fibrils evolve on time scales of a few seconds. “Print-through” of the photospheric granulation intensity pattern is visible, but at much reduced contrast. Major (minor) tick marks are 1 arcsec (0.1 arcsec) apart.