NGC 4643
NGC 4643
Illustration from its catalogued shape, not a photograph
Lenticular
type · S0-a
61 million ly
from Earth · from redshift
40k ly
across
10.7
apparent magnitude
Because its light is 61 million ly from home, you are seeing NGC 4643 as it looked roughly 61 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 4753Lenticular4.9 million ly
apartNGC 4301Spiral6.3 million ly
apartNGC 4339Elliptical6.9 million ly
apartIC 3267Spiral7.6 million ly
apartNGC 4366Elliptical7.8 million ly
apartNGC 4464Elliptical7.8 million ly
apart
Worlds in the same direction on the sky→apartNGC 4301Spiral6.3 million ly
apartNGC 4339Elliptical6.9 million ly
apartIC 3267Spiral7.6 million ly
apartNGC 4366Elliptical7.8 million ly
apartNGC 4464Elliptical7.8 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).