Same situation as in Fig. 1 only with different interstellar gas velocity vector and different viewpoints. The interstellar gas velocity vector lies in the xz-plane and has 45° angle between its direction and debris ring axis. Its magnitude was modified using Eq. (13) in order to obtain the same observed morphology from the Earth. The bottom-left plot shows the view on the star against the ISW. The bottom-right plot shows the view from the Earth with the same orientation as in Fig. 1.