Named in memory of Masaki Kaburaki (1902–1987), a professor of astronomy at the University of Tokyo before he retired in 1963. He taught spherical and practical astronomy there, and his main interest was in kinematics of our Galaxy. He served as the president of the Japanese Astronomical Society around 1955 and was the director of Gotoh Astronomical Museum during 1974–1987. (M 29147) _ _.