IC 4921
IC 4921
Illustration from its catalogued shape, not a photograph
Lenticular
type · S0
522 million ly
from Earth · from redshift
121k ly
across
15.3
apparent magnitude
Because its light is 522 million ly from home, you are seeing IC 4921 as it looked roughly 522 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 4993Spiral18 million ly
apartIC 5010Spiral39 million ly
apartIC 4903Barred spiral45 million ly
apartIC 4834Spiral55 million ly
apartIC 4976Spiral55 million ly
apartIC 4974 NED01Elliptical57 million ly
apart
Worlds in the same direction on the sky→apartIC 5010Spiral39 million ly
apartIC 4903Barred spiral45 million ly
apartIC 4834Spiral55 million ly
apartIC 4976Spiral55 million ly
apartIC 4974 NED01Elliptical57 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).