Photographic magnitude of stars brighter than 9m. 0 between declination +65⁰ and declination +75⁰ determined at the Royal observatory, Greenwich
By: under the direction of Sir F.W. Dyson ...
Publisher: H.M. Stationery off., Neill & co., limited [printers]
Published: 1914
Place of publication: Edinburgh
Language: eng
Number of pages: 61
Subjects: Stars -- Magnitudes.