Cancer
Cancer, is the dimmest of the 13 constellations of the Zodiac, having only two stars above the fourth magnitude. The small faint constellation Cancer is rich in open clusters and double stars. Cancer contains two Messier objects, a set of astronomical objects. Cancer's most famous Messier object is M44, which is a small star cluster that resembles a swarm of bees. M44 contains about 50 stars. Praesepe is also one of the larger visible open clusters with an area of 1.5 square degrees, or three times the size of the full moon.
