Aquarius, the water bearer, is a rather dim and nondescript zodiacal constellation. This southern constellation was cataloged by 2nd century astronomer Ptolemy. It is located in a region known to the ancients as “the sea” because several water constellations, to include Capricornus (the sea goat), Piscis Austrinis (the fish), Pisces (the fishes), and Cetus (the sea monster) are gathered there. It is situated on the ecliptic between Capricornus and Pisces, and is just south of the Great Square of Pegasus. Aquarius reaches its highest nightfall ascension in November. Three globular star clusters, M2, M72 and M73 are the only Messier objects found in this constellation. The Eta Aquariids is the strongest meteor shower radiating from Aquarius, peaking at about 35 meteors per hour between May 5th and 6th.
© James R. Johnson, 2014.