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In this article we explore the aspect of the F ring with respect to theanti-alignment configuration between the ring and Prometheus. We focus ourattention on the shape of the F ring's azimuthal channels which were firstreported by Porco et al. (2005) and numerically explored by Murray et al.(2005), who found excellent agreement between Cassini's ISS reprojected imagesand their numerical model via a direct comparison. We find that foranti-alignment the channels are wider and go deeper inside the ring material.  From our numerical model we find a new feature, an island in the middle ofthe channel. This island is made up of the particles that have been perturbedthe most by Prometheus and only appears when this satellite is close toapoapsis. In addition, plots of the anti-alignment configuration for differentorbital stages of Prometheus are obtained and discussed here.

Appearance of Saturn's F ring azimuthal channels for the anti-alignment configuration between the ring and Prometheus