Mapped crater population for Reference 1 (Ac-2). Dawn Framing Camera image ID 16063122646 is centered at 42﹩\mathop{.}\limits^{\unicode{x000b0}}﹩32 latitude and 53﹩\mathop{.}\limits^{\unicode{x000b0}}﹩76 longitude, covering an area of 1976 km². A total of 2806 craters were identified and measured. The grayscale mosaic used for crater identification is shown, with all craters included in the statistical analysis outlined in blue. Crater diameters were measured rim to rim and used to construct the crater CSFD.