Delphinus is a constellation located in the northern sky, named after the Greek word for "dolphin." It is one of the smaller constellations, but it is easily recognizable due to its distinctive shape, which resembles a leaping dolphin. Delphinus contains several notable stars, including Alpha Delphini, which is the brightest star in the constellation. The constellation is best visible during the summer months in the northern hemisphere. Delphinus is also home to a few deep-sky objects, such as the Messier 15 globular cluster, which is a dense group of stars. This constellation has been associated with various myths and stories throughout history, particularly in Greek mythology.