Astrographic Catalogue 1900.0 Greenwich Section Dec. +640 To 900

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Astrographic Catalogue 1900.0 Greenwich Section Dec. +640 To 900: Measures Of Rectangular Coordinates And Diameters Of Star Images, Dec. +640 To +720; Volume 1 Of Astrographic Catalogue 1900.0 Greenwich Section Dec. +640 To 900: From Photographs Taken And Measured At The Royal Observatory, Greenwich; Royal Greenwich Observatory
Royal Greenwich Observatory, William Henry Mahoney Christie
Printed for H.M. Stationery off., by Neill and co., ltd., 1904
Science; Astronomy; Astrographic catalog and chart; Science / Astronomy; Stars