Copper engraving, mm 500x590, original colour finished in later time. From “Atlas coelestis” published by Johann Baptist Homann. Decorative celestial chart with constellations shown as figures according to classical mythology as derived from Hevelius. The more recently named constellations are shown as scientific instruments. The paths of several comets are traced following a pattern established by Pardies. J. G. Doppelmayr (1677-1750) was a german astronomer, cartographer and matematician. Good condition with minor repair at upper centerfold