Includes bibliographical references (p. xv-xvi) and indexes. Copperplate engraved. Shows the northern celestial hemisphere from the equatorial pole at an angle to both the ecliptic and the equator. The earth is also inscribed, depicting view as if looking at earth through the celestial realm. Astronomers and their pupils in study and discussion look at the hemisphere. This with accompanying chart of southern celestial hemisphere show Ptolemaic constellations, in addition to the non-Ptolemaic constellations of: Tycho Brahe (Coma Berenices and Antinous) and Petrus Plancius (Columbia Noachi, Camelopardalis, Monoceros, the rivers Jordanus and Tigris and others, and Keyzer (Indus, Pavo, and Piscis Volans). Title divided between 2 cartouches of banners hanging from winged horn players (or putti) (top left and right). '26' (bottom right). Issued in: Atlas coelestis; seu harmonia macrocosmica (Celestial atlas of universal harmony).-- Amstelodami : apud Joannem Janssonium, 1660, 1661. Published by Gerardum Valk & Petrum Schenk, 1708. L.C. 469, 4274; Koeman IV,Cel 1(26), Cel 2, Cel3; Snyder p. 115-116 (PLATE 63). [Andreas Cellarius]. Glen McLaughlin with Nancy H. Mayo.