IC 64 is a massive lenticular galaxy located 622 million light-years away in the Pisces constellation. IC 64 has a diameter of 300,000 light-years, making it, three times bigger than the Milky Way and one of the largest galaxies observed. IC 64 was discovered by French astronomer Stephane Javelle on 5 December 1893. It has an active galactic nucleus, and is an emission line galaxy.