Vendeur : The_Paper_Prospector, Portland, OR, Etats-Unis
No Binding. Etat : Very Good. 2nd Edition. The AAVSO Variable Star Atlas Charles E. Scovil American Association of Variable Star Observers, 1990 Second edition Three-ring binder ISBN: 1878174002 An astronomical reference atlas issued by the American Association of Variable Star Observers, credited to Charles Scovil. A specialized publication for readers interested in variable-star observation, printed star atlases, and the history of observational astronomy. Variable-star charts help observers locate target stars and compare their brightness with nearby comparison stars. This atlas belongs to that practical observing tradition, offering a printed reference for the study of the changing night sky. The three-ring format allows the pages to lie open for consultation. Condition: Very Good. Three-ring binder with clean, unmarked pages. 1990 second edition. Please review photos for details. N° de réf. du vendeur ABE-1793850034217
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