IC 3622

IC 3622 also known as PGC 3793395, is a large barred spiral galaxy located in constellation Coma Berenices. It is located 980 million light-years from the Solar System and has a diameter of 175,000 light-years. IC 3622 was discovered by Royal Harwood Frost on May 7, 1904.

Supernova
One supernova has been discovered in IC 3622 so far: PSN J12393328+1525520.

PSN J12393328+1525520

PSN J12393328+1525520 was discovered on February 22, 2013, by astronomers on the behalf of the THU-NAOC Transient Survey (TNTS) via a red filter Astrometry, which the observation was performed on the ESO New Technology Telescope at La Silla. It was located 12" east and 3" south of the nucleus, with a magnitude of 19.4. The supernova was Type Ic.