NGC 3905

NGC 3905 is a spiral galaxy in the constellation Crater about 268 million ly from Earth. It spans roughly 150,000 ly, about the width of our Milky Way. It is receding from us at about 5,731 km/s.

Because its light is 268 million ly from home, you are seeing NGC 3905 as it looked roughly 268 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). Recession velocity from RC3 (de Vaucouleurs et al. 1991, via NASA/HEASARC, public domain). Distance computed by gravityfinder from redshift via Hubble's law (H0 = 70 km/s/Mpc).