The Rutherfurd photographic measures of sixty-five stars near 61 Cygni.
By: By Herman S. Davis.
Series: Contributions from the Observatory of Columbia University, New York.; no. 12
Published: 1898
Place of publication: New York
Language: eng
Number of pages: 121
Subjects: Stars -- Clusters.
Notes: Contributions 12-14 have been issued together with cover-title also.
Reprinted from the Annals of the New York Academy of Sciences, vol. X.