IC 633

IC 633 is a spiral galaxy in the constellation Sextans about 259 million ly from Earth. It spans roughly 49,000 ly, about 49% of our Milky Way's width. It is receding from us at about 5,547 km/s.

Because its light is 259 million ly from home, you are seeing IC 633 as it looked roughly 259 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).