IC 4397
IC 4397
Illustration from its catalogued shape, not a photograph
Barred spiral
type · Sbc
206 million ly
from Earth · from redshift
65k ly
across
14.1
apparent magnitude
Because its light is 206 million ly from home, you are seeing IC 4397 as it looked roughly 206 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 5553Spiral6.4 million ly
apartIC 1017Lenticular8.4 million ly
apartNGC 5629Lenticular10 million ly
apartNGC 5635Barred spiral10 million ly
apartIC 1020Lenticular10 million ly
apartNGC 5659Barred spiral12 million ly
apart
Worlds in the same direction on the sky→apartIC 1017Lenticular8.4 million ly
apartNGC 5629Lenticular10 million ly
apartNGC 5635Barred spiral10 million ly
apartIC 1020Lenticular10 million ly
apartNGC 5659Barred 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).