Canopus is a highly luminous and massive star located in the constellation Puppis. Classified as a giant star, it is one of the brightest stars visible in the night sky, second only to Sirius in terms of apparent brightness. Its spectrum indicates a classification type, and its large size contributes significantly to its overall luminosity. Due to its apparent brightness and its position within a prominent constellation, it has historically been used in stellar navigation and astrophysical studies.