Two volumes 8vo (244x150 mm), vi-383 pages and 1 plate / (4)-304 pages. binding : Contemporary half chagreen, spine in six compartments. Binding rubbed.
Second edition for the first part (1911. the first edition was published in 1906); it deals with theoretical astronomy. First edition for the second part, concerning practical astronomy. Andoyer succeeded Poincaré as professor of general astronomy and celestial mechanics at the Faculty of Sciences of Paris.