Andromeda constellation. Illustrated card from a 19th century astronomical teaching aid called Urania's Mirror, after the Greek muse of astronomy. This card shows the constellations Gloria Frederici (Glory of Frederick, created in 1787 in honour of Frederick the Great of Prussia; obsolete), Andromeda (the chained maiden, from Greek mythology), and Triangula (the triangles, referring to Triangulum and Triangulum Minor; the latter being obsolete). For the full set of 32 cards, see V700/172-203.