IC 4172
IC 4172
Illustration from its catalogued shape, not a photograph
Barred spiral
type · Sb
484 million ly
from Earth · from redshift
69k ly
across
16.2
apparent magnitude
Because its light is 484 million ly from home, you are seeing IC 4172 as it looked roughly 484 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
IC 846Elliptical4.2 million ly
apartIC 4081Elliptical17 million ly
apartIC 3776Spiral38 million ly
apartIC 4228Barred spiral40 million ly
apartIC 4154Barred spiral47 million ly
apartIC 4234Spiral48 million ly
apart
Worlds in the same direction on the sky→apartIC 4081Elliptical17 million ly
apartIC 3776Spiral38 million ly
apartIC 4228Barred spiral40 million ly
apartIC 4154Barred spiral47 million ly
apartIC 4234Spiral48 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).