Magnitudes, colours and spectral classes for 446 stars in selected area 193.
Series: Astronomiska iakttagelser och undersökningar å Stockholms Observatorium, bd. 23, no. 1
Publisher: Almqvist & Wiksell
Published: 1968
Place of publication: Stockholm
Language: eng
Number of pages: 26
Subjects: Stars -- Catalogs.
Notes: Bibliography: p. 26.
"Stockholms Observatoriums annaler."