Sagittarius is one of the constellations in the zodiac. It was one of the 48 constellations listed by the 2nd century astronomer Ptolemy and remains one of the 88 modern constellations. His name in Latin means archer, and his symbol is the arrow Sagittarius. Sagittarius is generally depicted as a centaur pulling a bow. This constellation is located between Ophiuchus to the west and Capricorn to the east.