IC 4
IC 4
Illustration from its catalogued shape, not a photograph
Spiral
type · Sc
233 million ly
from Earth · from redshift
79k ly
across
14.1
apparent magnitude
Because its light is 233 million ly from home, you are seeing IC 4 as it looked roughly 233 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 99Spiral19 million ly
apartNGC 52Barred spiral20 million ly
apartNGC 57Elliptical20 million ly
apartNGC 105Spiral24 million ly
apartNGC 7803Lenticular27 million ly
apartNGC 7771Spiral28 million ly
apart
Worlds in the same direction on the sky→apartNGC 52Barred spiral20 million ly
apartNGC 57Elliptical20 million ly
apartNGC 105Spiral24 million ly
apartNGC 7803Lenticular27 million ly
apartNGC 7771Spiral28 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).