The Eridanus Constellation is a prominent constellation in the southern sky, representing a river. It is one of the largest constellations, stretching across the sky and containing several notable stars, including Achernar, which is one of the brightest stars visible from Earth. Eridanus is home to various deep-sky objects, such as the Eridanus Supercluster of galaxies. The constellation is best viewed during the months of November to February in the southern hemisphere, making it a popular target for stargazers and astronomers alike.