Aperçu gratuit du livre Astrographic Catalogue 1900.0 Greenwich Section Dec. +640 To 900: Measures Of Rectangular Coordinates And Diameters Of Star Images, Dec. +640 To +720
Astrographic Catalogue 1900.0 Greenwich Section Dec. +640 To 900: Measures Of Rectangular Coordinates And Diameters Of Star Images, Dec. +640 To +720