Investigation of proper motions in the field of the cluster M 67.
By: C.A. Murray.
Series: Royal Observatory bulletins -- no. 141
Publisher: H.M.S.O.
Published: 1968
Place of publication: London
Language: eng
Number of pages: 365
Subjects: Stars -- Open clusters.; Stars -- Magnitudes.; Stars -- Proper motion.
Other titles: Field stars, and the motion of the cluster
Notes: Includes bibliographical references (p. 362).