Cancer (Cnc)
"The Crab"




Location:  R.A. = 8h 30m, Dec. = 20 N

Mythology:  Cancer the Crab plays a minor role in the story of Hercules.  Hercules was the son of the Greek God Zeus and a mortal woman named Alcmene.  Because of Zeus' infidelity, Hera (Zeus' wife) hated Hercules, which was compounded by the fact that Zeus made Hera breast-feed Hercules.  By suckling the divine milk, Hercules became part immortal.  At one point, Hera cast a spell over Hercules, and he slew his own children.  The Gods punished him by making him a slave for 12 years to Eurystheus of Mycenae, who sent Hercules on many difficult tasks, that became known as the twelve labors of Hercules.
    Hercules' second task was to slay the Hydra, a multi-headed serpent that would grow back two heads for every one that Hercules cut off.  It was only with the help of his Charioteer Iolaus that Hercules was able to defeat the Hydra.  During the battle, Hera sent Cancer the Crab to distract Hercules.  The crab pinched at Hercules' ankles, but Hercules was able to crush the Crab under his heel.  Hera rewarded the Crab by placing it among the stars.

Other Interesting Sights:  The Sun used to reside in Cancer during the Summer Solstice, when the Sun is highest above the Celestial Equator.  On the globe, this is represented by the Tropic of Cancer, which marks the Sun's northern most elevation.  The southern analog is the Tropic of Capricorn.
    The star cluster called the Praesepe (M44) is in Cancer.  Also called the Beehive (because it resembles a swarm of bees around a busy hive) or the Manger, the Praesepe is one of the brightest and nearest star clusters.  It is easily seen through even through a pair of binoculars.


M44 - The Praesepe