A print of the copperplate engraving for Johann Bayer's Uranometria (1661 edition) showing the constellation of Cassiopeia.
This image is courtesy of the History of Science Department at the University of Oklahoma.
[1]アーカイブされたコピーat the Wayback Machine, who gives explicit permission to use it so long as the attribution is attached.
A print of the copperplate engraving for Johann Bayer's ''Uranometria'' (1661 edition) showing the constellation of Cassiopeia. This image is courtesy of the History of Science Department at the University of Oklahoma. [http://hsci.cas.ou.edu/exhib