Orion and Fuji-san. Yowatashi Boshi = passing the night stars. Rigel is sometimes called Genji Boshi, and Betelgeuse, the Heike Boshi. These titles refer to the legendary war that brought and end to the Heian era between the Taira (Heike) and Minamoto (Genji) families. The colors of Taira were red (Betelguese), and the colors of the Minamoto family were white (Rigel).