Constellations for Real

Cetus

The whale (sea monster slain by Perseus)

Milky Way

Hera (whose breastmilk was split while nursing Hercules)

Leo

The Nemean Lion(slain by Hercules)

Hydra

The hydra (nine-headed snake slain by Hercules)

Cancer

The Crab(sent by Hera to harass Hercules)

Centaurus

The centaur Chiron

Sagittarius

a generic centaur(shooting an arrow, Sagitta in latin)

Draco

The serpent guardian of the golden apples of the Hesperides

Capricorn

The Horned goat whose milk nourished baby Zeus; her horn became the cornucopia(horn of plenty)

Virgo

The maiden(Persephone)

Lyra

The Lyre, owned by Orpheus the musician

Ophiuchus

The snake-bearer(asclepius is the god of medicine)

Corona Borealis

The Northern Crown(given by Dionysus to Ariadne at marriage)