NGC 494
NGC 494 is a spiral galaxy in the constellation Pisces about 257 million ly from Earth. It spans roughly 140,000 ly, about the width of our Milky Way. It is receding from us at about 5,314 km/s.
Illustration from its catalogued shape, not a photograph
Because its light is 257 million ly from home, you are seeing NGC 494 as it looked roughly 257 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.
apartIC 1692Lenticular2.4 million ly
apartIC 1677Spiral2.7 million ly
apartNGC 447Lenticular7.8 million ly
apartNGC 566Lenticular8.0 million ly
apartIC 1648Lenticular8.7 million ly
apart
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).