Sirius is the Greater Dog Star. It is the brightest star in the sky that we know. Remember that there are multiple stars within the different constellations. Sirius is located right at the neckline of the Canis Major, Great Dog. Procyon is located within the Canis Minor, Lesser Dog. Polaris is located on the tail of Ursa Minor, Little Dipper.
Sirius means "great dog star" in Latin. Which makes it intriguing that the man in Harry Potter is named Sirius Black, which obviously shows he is a "big Black dog". Ha.
Remember that there are multiple stars within the different constellations.
Sirius is located right at the neckline of the Canis Major, Great Dog.
Procyon is located within the Canis Minor, Lesser Dog.
Polaris is located on the tail of Ursa Minor, Little Dipper.