IC 3947
IC 3947
Illustration from its catalogued shape, not a photograph
Lenticular
type · S0
263 million ly
from Earth · from redshift
51k ly
across
14.6
apparent magnitude
Because its light is 263 million ly from home, you are seeing IC 3947 as it looked roughly 263 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 4021Elliptical4.1 million ly
apartNGC 4943Lenticular5.3 million ly
apartNGC 4907Barred spiral7.6 million ly
apartNGC 4873Lenticular8.0 million ly
apartNGC 4921Spiral8.9 million ly
apartNGC 4923Elliptical9.3 million ly
apart
Worlds in the same direction on the sky→apartNGC 4943Lenticular5.3 million ly
apartNGC 4907Barred spiral7.6 million ly
apartNGC 4873Lenticular8.0 million ly
apartNGC 4921Spiral8.9 million ly
apartNGC 4923Elliptical9.3 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).