Keywords: Andromeda et Cassiopeia - Mercator.jpeg Andromeda et Cassiopeia constellations from the Mercator celestial globe The Mercator Globes at Harvard Map Collection http //hcl harvard edu/mercatorglobes/ 1551 Gerard Mercator 1512-1594 PD-old-100 Mercator celestial globe Andromeda constellation Cassiopeia constellation Cassiopeia mythology Triangulum Maps by Gerardus Mercator |