IC 456
IC 456
Illustration from its catalogued shape, not a photograph
Lenticular
type · S0
81 million ly
from Earth · from redshift
55k ly
across
13.0
apparent magnitude
Because its light is 81 million ly from home, you are seeing IC 456 as it looked roughly 81 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.
Nearest galaxies
NGC 2295Spiral7.7 million ly
apartNGC 2380Lenticular8.6 million ly
apartNGC 2280Spiral10 million ly
apartNGC 2267Lenticular11 million ly
apartNGC 2217Lenticular13 million ly
apartNGC 2293Lenticular17 million ly
apart
Worlds in the same direction on the sky→apartNGC 2380Lenticular8.6 million ly
apartNGC 2280Spiral10 million ly
apartNGC 2267Lenticular11 million ly
apartNGC 2217Lenticular13 million ly
apartNGC 2293Lenticular17 million ly
apart
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).