Pan passes Daphnis
Every 19 days, Pan laps Daphnis. As the JPL Cassini- Huygens page explains, Pan (in the Encke gap) is closer to Saturn than is Daphnis (in the Keeler gap) and thus goes around the planet faster.
In this shot, Pan is easy to spot. To see Daphnis, move outward from Pan to the narrow black band and look for the crinkly edge that is the sign of Daphnis' passing. You may need to select the image for a bigger view.
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