IC 804

IC 804 is a lenticular galaxy in the constellation Virgo about 136 million ly from Earth. It spans roughly 41,000 ly, about 41% of our Milky Way's width. The light reaching us tonight left it about 136 million years ago.

Because its light is 136 million ly from home, you are seeing IC 804 as it looked roughly 136 million years ago. The photons left before that much of history had passed, and are only now reaching us. This distance is estimated from the galaxy's redshift, so the lookback time is approximate.

Source: structural data (position, morphology, brightness, redshift) from OpenNGC (CC BY-SA). Distance computed by gravityfinder from redshift via Hubble's law (H0 = 70 km/s/Mpc).