IC 842
IC 842
Illustration from its catalogued shape, not a photograph
Barred spiral
type · SBbc
339 million ly
from Earth · from redshift
112k ly
across
13.9
apparent magnitude
Because its light is 339 million ly from home, you are seeing IC 842 as it looked roughly 339 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 4916Lenticular2.5 million ly
apartNGC 4912Lenticular4.1 million ly
apartNGC 4922 NED01Elliptical4.6 million ly
apartIC 4012Elliptical5.8 million ly
apartIC 4011Elliptical6.0 million ly
apartNGC 4919Lenticular7.4 million ly
apart
Worlds in the same direction on the sky→apartNGC 4912Lenticular4.1 million ly
apartNGC 4922 NED01Elliptical4.6 million ly
apartIC 4012Elliptical5.8 million ly
apartIC 4011Elliptical6.0 million ly
apartNGC 4919Lenticular7.4 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).