The Murasaki Index was a method of astronomical nomenclature in use during the 23rd century.
History and specificsEdit
Commander Spock designated the planet he discovered in the Kapeshet system on stardate 1305.4 M-155 in accordance with the Murasaki Index. (TOS novel: Strangers from the Sky)
Murasaki 312 and M-113 were also named per the Murasaki Index. (TOS episodes: "The Galileo Seven", "The Man Trap")