M104, also known as the Sombrero Galaxy, is a spiral galaxy located in the constellation Virgo. It is approximately 28 million light-years away from Earth and is notable for its bright nucleus and prominent dust lane, which gives it a distinctive sombrero-like appearance. M104 is one of the brightest galaxies in the night sky and can be observed with small telescopes. The galaxy has a diameter of about 50,000 light-years and contains a large number of stars, estimated to be around 1 trillion. M104 is classified as a type Sa spiral galaxy, indicating its tightly wound arms. It is also a member of the Virgo Cluster, a group of galaxies that includes many other notable celestial objects.