Is Ophiuchus a constellation?

Ophiuchus (165438+1October 30th to 65438+February 17) is one of the zodiac signs.

Sagittarius (also known as Sagittarius) (165438+1October 23rd to 65438+February 22nd) is one of the zodiac signs.

Because all the twelve constellations belong to the zodiac, and Ophiuchus is the zodiac. So according to the trajectory, it should belong to Sagittarius.

Besides, Ophiuchus was discovered only recently, and Sagittarius has long been a household name. According to the length of time, it should also belong to Sagittarius.