NGC_257 is a spiral galaxy located in the constellation Cetus. It is approximately 100 million light-years away from Earth and is part of the Hubble Space Telescope catalog. This galaxy is notable for its distinct spiral structure and bright core, making it an interesting subject for astronomers. Discovered in 1886 by the astronomer Édouard Stephan, NGC 257 has a diameter of about 50,000 light-years. It is classified as a type Sc spiral galaxy, which indicates a well-defined spiral structure with loosely wound arms. Observations of NGC 257 contribute to our understanding of galaxy formation and evolution.