NGC 4645
NGC 4645
Illustration from its catalogued shape, not a photograph
Elliptical
type · E
121 million ly
from Earth · from redshift
69k ly
across
11.8
apparent magnitude
Because its light is 121 million ly from home, you are seeing NGC 4645 as it looked roughly 121 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 4696DLenticular1.7 million ly
apartNGC 4603Spiral2.1 million ly
apartNGC 4661Elliptical4.0 million ly
apartNGC 4603DSpiral7.0 million ly
apartNGC 4930Barred spiral7.9 million ly
apartNGC 4696ABarred spiral11 million ly
apart
Worlds in the same direction on the sky→apartNGC 4603Spiral2.1 million ly
apartNGC 4661Elliptical4.0 million ly
apartNGC 4603DSpiral7.0 million ly
apartNGC 4930Barred spiral7.9 million ly
apartNGC 4696ABarred spiral11 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).