IC 3921
IC 3921
Illustration from its catalogued shape, not a photograph
Spiral
type · Sc
335 million ly
from Earth · from redshift
51k ly
across
16.1
apparent magnitude
Because its light is 335 million ly from home, you are seeing IC 3921 as it looked roughly 335 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 3895Barred spiral6.5 million ly
apartIC 4077Barred spiral12 million ly
apartIC 3897Spiral13 million ly
apartIC 3717Elliptical15 million ly
apartIC 3758Elliptical18 million ly
apartIC 4158Spiral19 million ly
apart
Worlds in the same direction on the sky→apartIC 4077Barred spiral12 million ly
apartIC 3897Spiral13 million ly
apartIC 3717Elliptical15 million ly
apartIC 3758Elliptical18 million ly
apartIC 4158Spiral19 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).