NGC 7397
NGC 7397
Illustration from its catalogued shape, not a photograph
Lenticular
type · S0-a
220 million ly
from Earth · from redshift
45k ly
across
15.0
apparent magnitude
Because its light is 220 million ly from home, you are seeing NGC 7397 as it looked roughly 220 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 7398Barred spiral380,000 ly
apartNGC 7402Lenticular4.1 million ly
apartIC 1455Barred spiral6.1 million ly
apartNGC 7396Spiral9.9 million ly
apartNGC 7373Lenticular10 million ly
apartNGC 7401Barred spiral10 million ly
apart
Worlds in the same direction on the sky→apartNGC 7402Lenticular4.1 million ly
apartIC 1455Barred spiral6.1 million ly
apartNGC 7396Spiral9.9 million ly
apartNGC 7373Lenticular10 million ly
apartNGC 7401Barred spiral10 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).