IC 4378
IC 4378
Illustration from its catalogued shape, not a photograph
Lenticular
type · S0
198 million ly
from Earth · from redshift
89k ly
across
14.6
apparent magnitude
Because its light is 198 million ly from home, you are seeing IC 4378 as it looked roughly 198 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 5419Elliptical7.9 million ly
apartNGC 5397Elliptical10 million ly
apartNGC 5488Spiral12 million ly
apartIC 4388Barred spiral12 million ly
apartIC 4367Spiral18 million ly
apartIC 4366Spiral19 million ly
apart
Worlds in the same direction on the sky→apartNGC 5397Elliptical10 million ly
apartNGC 5488Spiral12 million ly
apartIC 4388Barred spiral12 million ly
apartIC 4367Spiral18 million ly
apartIC 4366Spiral19 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).