Mapped crater population for Reference 4 (Ac-12). Dawn Framing Camera image ID 16058131352 is centered at −25﹩\mathop{.}\limits^{\unicode{x000b0}}﹩66 latitude and 101﹩\mathop{.}\limits^{\unicode{x000b0}}﹩64 longitude, covering an area of 1508 km². A total of 1095 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.