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Granulation image used for simulation experiments. a) 430.5 nm (G-band) SST diffraction limited granulation image (GI). 2000 × 2000 pixels, image scale 0″̣041/pixel. b) Degraded to resolution of a 9.8 cm subpupil, shifted by a whole number of pixels, and re-sampled to 200 × 200 0″̣41-pixels.

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