NGC 1097 Type II Supernova (2023rve) is a Type II supernova that was discovered on September 8, 2023 by Mohammad Shawkat Odeh (UAE) in the spiral galaxy NGC 1097, located in the constel...
NGC 3621 is a field spiral galaxy about 22 million light years away in the constellation of Hydra. It is believed to have an active supermassive black hole at its centre.