IC 4821
IC 4821
Illustration from its catalogued shape, not a photograph
Spiral
type · Sc
127 million ly
from Earth · from redshift
67k ly
across
13.7
apparent magnitude
Because its light is 127 million ly from home, you are seeing IC 4821 as it looked roughly 127 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 4837Barred spiral2.0 million ly
apartIC 4839Barred spiral2.1 million ly
apartNGC 6707Barred spiral5.3 million ly
apartIC 4797Elliptical5.3 million ly
apartIC 4837ABarred spiral7.5 million ly
apartNGC 6708Barred spiral8.7 million ly
apart
Worlds in the same direction on the sky→apartIC 4839Barred spiral2.1 million ly
apartNGC 6707Barred spiral5.3 million ly
apartIC 4797Elliptical5.3 million ly
apartIC 4837ABarred spiral7.5 million ly
apartNGC 6708Barred spiral8.7 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).