Hercules is a constellation named after Hercules, the Roman mythological hero adapted from the Greek hero Heracles. Hercules was one of the 48 constellations listed by the second-century astronomer Pt
The constellation Hercules as it may appear to the naked eye.
Hercules as depicted in Urania's Mirror, a set of constellation cards published in London c.1825. The figure appears upside down in the sky relative to neighbouring constellations. The former constellation of Cerberus is held by Hercules before its stars were part of the constellation.
The constellation Hercules showing the IAU boundaries, the constellation stick figure, and labels for its brightest stars. Astrophotograph by Eckhard Slawik, from NOIRLab's 88 Constellations project.
Ophiuchus is a large constellation straddling the celestial equator. Its name comes from the Ancient Greek ὀφιοῦχος, meaning "serpent-bearer", and it is commonly represented as a man grasping a snake.
Hercules (constellation)
…no stars brighter than apparent magnitude +2.5. Hercules is bordered by Draco to the north; Boötes, Corona Borealis, and Serpens Caput to the west; Ophiuchus to the south; Aquila to the southwest; and Sagitta, Vulpecula, and Lyra to the east. Covering 1225.1 square degrees and 2.970% of the night sky, it…
Rho Ophiuchi, shown with a surrounding bluish cloud slightly above a pentagon of stars in Scorpius, with the main band of the Milky Way much further to the left
The constellation Ophiuchus as it can be seen by naked eye.
Illustration of Serpens, Ophiuchus and Scorpius in the Leiden Aratea manuscript, around 830 - 840.
Johannes Kepler's 1606 book De Stella Nova in Pede Serpentarii (On the New Star in Ophiuchus's Foot) opened at the page for Ophiuchus.