NGC_5457 is a spiral galaxy located approximately 68 million light-years away in the constellation Ursa Major. It is also known as Messier 101 or the Pinwheel Galaxy due to its distinctive spiral structure. NGC_5457 is notable for its large size and bright, well-defined arms, which contain numerous star-forming regions. The galaxy spans about 170,000 light-years in diameter, making it one of the largest galaxies in the local group. It is classified as a type Sc spiral galaxy and is characterized by its high surface brightness and rich collection of stars, gas, and dust.