Photographic plates showing faint stars
Series: Annals of Harvard College Observatory -- v. 80, no. 2; Annals of the Astronomical Observatory of Harvard College -- v. 80, no. 2
Publisher: The Observatory
Published: 1917
Place of publication: Cambridge, Mass
Language: eng
Number of pages: 69
Subjects: Stars; Magnitudes; Astrographic catalog and chart
Notes: Caption title.