The constellation you are referring to is likely Cassiopeia. Cassiopeia is a distinctive "M" or "W" shaped constellation in the northern hemisphere. It is named after the mythological queen Cassiopeia.
When the Romans adopted the Sumerian constellation they dubbed it Sagittarius meaning "archer".
sagittarius is the constellation of Archery
Leo
Auriga
The constellation that is shaped like a scorpion is Scorpius. Which is where we get the star-sign Scorpio.
The summer constellation that represents the archer is Sagittarius. Sagittarius is known for its association with the mythological centaur archer who is typically depicted as drawing back a bow. It is best observed in the Southern Hemisphere during the summer months.
little dipper
Draco, the Dragon!
The constellation that is shaped like a bull is Taurus. It is one of the twelve zodiac constellations and is known for its V-shaped cluster of stars that represents the bull's head.
big dipper
In ancient times it was thought that the constellation looked like an archer on horseback. Its also made out of stars, and stars are related to astrology.