Messier 77 is an active galaxy located in the constellation of Cetus (The Sea Monster). It has an active galactic nucleus and is classified as a type 2 Seyfert galaxy. It is one of the closest of this type of galaxy.
The first supernova detected in this galaxy was discovered on November 24, 2018 by the DLT40 Survey and was given the name of SN2018ivc. It is classified as a type II supernova which is a core collapse of a massive star.