Book Collection
This print is titled "Globi Coelestis In Tabelas Planas Redaccti Pars IV" from Atlas Coelestis by Johann Gabriel Doppelmayr 1742
This chart shows the equatorial region centered on Virgo. The equatorial coordinate along the equator is measured in degrees of longitude from right to left instead of the hours of right ascension that we use today.
Equatorial Chart Centered on Virgo