Of the 13 zodiacal constellations (constellations that contain the Sun during the course of the year), Ophiuchus is the only one not counted as an astrological sign. It is also known as the "Sign of the Crossing", representing the intersection of the celestial and heavenly spheres. Ophiuchus is located between Aquila, Serpens and Hercules, northwest of the center of the Milky Way. The southern p…