IC 4857
IC 4857
Illustration from its catalogued shape, not a photograph
Spiral
type · Sc
218 million ly
from Earth · from redshift
115k ly
across
13.7
apparent magnitude
Because its light is 218 million ly from home, you are seeing IC 4857 as it looked roughly 218 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
IC 4835Spiral9.5 million ly
apartIC 4884Lenticular10 million ly
apartIC 4848Barred spiral10 million ly
apartIC 4851Barred spiral10 million ly
apartIC 4852Barred spiral12 million ly
apartIC 4830Barred spiral13 million ly
apart
Worlds in the same direction on the sky→apartIC 4884Lenticular10 million ly
apartIC 4848Barred spiral10 million ly
apartIC 4851Barred spiral10 million ly
apartIC 4852Barred spiral12 million ly
apartIC 4830Barred spiral13 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).