Photographic magnitudes of stars brighter than14m.0 in 40 of Kapteyn's selected areas determined at the Royal observatory, Greenwich
By: under the direction of Sir Frank Dyson.
Contributors: Dyson, Frank Watson, Sir, 1868-1969.
Publisher: H. M. Stationery off
Published: 1931
Place of publication: London
Language: eng
Number of pages: 69
Subjects: Stars -- Magnitudes.