NGC 7831
NGC 7831
Illustration from its catalogued shape, not a photograph
Barred spiral
type · Sb
235 million ly
from Earth · from redshift
123k ly
across
13.3
apparent magnitude
Because its light is 235 million ly from home, you are seeing NGC 7831 as it looked roughly 235 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 6Elliptical4.9 million ly
apartNGC 7836Elliptical5.5 million ly
apartNGC 7819Barred spiral6.4 million ly
apartIC 5376Spiral9.5 million ly
apartNGC 5Elliptical11 million ly
apartNGC 19Barred spiral12 million ly
apart
Worlds in the same direction on the sky→apartNGC 7836Elliptical5.5 million ly
apartNGC 7819Barred spiral6.4 million ly
apartIC 5376Spiral9.5 million ly
apartNGC 5Elliptical11 million ly
apartNGC 19Barred spiral12 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).