(General comments about the panels as in Fig. A.1.) IRAS F23128-5919 (AM 2312-591): this is a ULIRG with a double nucleus (separation of ~4 kpc). It has not been possible to separate reliably the contribution of each individual galaxy and, therefore, the kinematic values reported in Table 4 correspond to the whole system. The velocity field has a quite complex pattern, where the two galaxies merger their velocity fields. A relatively extended broad component has been found in the inner regions of this system, covering an area of 55 kpc² and with a mean blueshift of 32 km s^-1. The velocity maps of this second component suggest the presence of a strong outflow. The scale is of 0.878 kpc/′′.