IC 3931
IC 3931
Illustration from its catalogued shape, not a photograph
Barred spiral
type · Sb
897 million ly
from Earth · from redshift
190k ly
across
16.1
apparent magnitude
Because its light is 897 million ly from home, you are seeing IC 3931 as it looked roughly 897 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 3884Barred spiral13 million ly
apartIC 3881Barred spiral14 million ly
apartIC 3907Spiral15 million ly
apartIC 3860Galaxy18 million ly
apartIC 4095Barred spiral19 million ly
apartIC 3871Elliptical19 million ly
apart
Worlds in the same direction on the sky→apartIC 3881Barred spiral14 million ly
apartIC 3907Spiral15 million ly
apartIC 3860Galaxy18 million ly
apartIC 4095Barred spiral19 million ly
apartIC 3871Elliptical19 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).