The standard against which all other star atlases are measured, this best-selling atlas has been completely revised and updated! Each version of Sky Atlas 20000 contains 26 charts covering the whole sky and sаьлееhowing 81,312 single, multiple, and variable stars of magnitude 85 and brighter and 2,700 deep-sky objects Includes close-up charts of such areas as the celestial poles and the Virgo-Coma galaxy region, as well as an acetate coordinate-grid overlay for determining acбкщксcurate positions A must for any stargazer! Deluxe Unlaminated Version: Stars are black, while deep-sky objects are color-coded by type for easy identification Fold out charts in a 12 by 16 inch book (charts unfold to 21 by 16 inches), spiralbound Click on the version you want and click Buy You may choose more than one version Формат: 31 см x 42,5 см 2 edition Авторы Уил Тирион Wil Tirion Roger W Sinnott.