IC 821
IC 821
Illustration from its catalogued shape, not a photograph
Spiral
type · SABb
314 million ly
from Earth · from redshift
91k ly
across
13.8
apparent magnitude
Because its light is 314 million ly from home, you are seeing IC 821 as it looked roughly 314 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 826Barred spiral9.2 million ly
apartNGC 4676ALenticular11 million ly
apartNGC 4676BLenticular11 million ly
apartNGC 4715Lenticular14 million ly
apartNGC 4841AElliptical14 million ly
apartNGC 4735Barred spiral15 million ly
apart
Worlds in the same direction on the sky→apartNGC 4676ALenticular11 million ly
apartNGC 4676BLenticular11 million ly
apartNGC 4715Lenticular14 million ly
apartNGC 4841AElliptical14 million ly
apartNGC 4735Barred spiral15 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).