IC 3831
IC 3831
Illustration from its catalogued shape, not a photograph
Lenticular
type · S0
180 million ly
from Earth · from redshift
79k ly
across
14.2
apparent magnitude
Because its light is 180 million ly from home, you are seeing IC 3831 as it looked roughly 180 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 4829Elliptical5.5 million ly
apartNGC 4782Elliptical8.8 million ly
apartNGC 4794Spiral9.1 million ly
apartNGC 4783Elliptical9.3 million ly
apartIC 3799Barred spiral9.6 million ly
apartNGC 4756Elliptical10 million ly
apart
Worlds in the same direction on the sky→apartNGC 4782Elliptical8.8 million ly
apartNGC 4794Spiral9.1 million ly
apartNGC 4783Elliptical9.3 million ly
apartIC 3799Barred spiral9.6 million ly
apartNGC 4756Elliptical10 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).