NGC 831
NGC 831
Illustration from its catalogued shape, not a photograph
Spiral
type · Sc
335 million ly
from Earth · from redshift
43k ly
across
15.2
apparent magnitude
Because its light is 335 million ly from home, you are seeing NGC 831 as it looked roughly 335 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 840Barred spiral11 million ly
apartIC 1761Lenticular37 million ly
apartNGC 768Barred spiral37 million ly
apartNGC 791Elliptical42 million ly
apartIC 194Barred spiral44 million ly
apartIC 218Barred spiral44 million ly
apart
Worlds in the same direction on the sky→apartIC 1761Lenticular37 million ly
apartNGC 768Barred spiral37 million ly
apartNGC 791Elliptical42 million ly
apartIC 194Barred spiral44 million ly
apartIC 218Barred spiral44 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).