NGC_2437 is an open star cluster located in the constellation Puppis. It is approximately 4,000 light-years away from Earth and contains around 100 stars. The cluster is estimated to be about 100 million years old, making it relatively young in astronomical terms. Discovered by William Herschel in 1785, NGC_2437 is also known as M46. It is notable for its bright stars and is often studied for insights into stellar evolution. The cluster is best observed with telescopes, revealing its rich array of stars against the backdrop of space.