Now you can witness the final mission of Cassini and enjoy the beauty of Saturn’s rings and the moon in your own room. NAOJ has released the latest version (1.4) of the astronomical software Mitaka with many new features. Mitaka version 1.4 can reproduce Cassini’s Grand Finale mission. Also, the moon and Saturn’s rings are displayed based on more realistic physical models for light scattering. Moreover, Chinese has been added to the available languages.