Location of the source area of sunset jets in this study as outlined by dashed yellow line on the nucleus of 67P. The areas in green, red, and blue correspond to the geomorphological regions of Ma’at, Bastet, and Hatmehit, respectively, on the small lobe of the nucleus. The equator, 0 ° and 180 ° longitudes, and the North Pole are indicated according to the Cheops reference frame of 67P (Preusker et al. 2015). Upper right: an enlarged view of the source area.