NGC 4645A
NGC 4645A
Illustration from its catalogued shape, not a photograph
Lenticular
type · S0
148 million ly
from Earth · from redshift
131k ly
across
12.4
apparent magnitude
Because its light is 148 million ly from home, you are seeing NGC 4645A as it looked roughly 148 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 4603CLenticular2.5 million ly
apartNGC 4677Lenticular3.0 million ly
apartNGC 4672Spiral6.3 million ly
apartNGC 4553Lenticular6.6 million ly
apartNGC 4696BElliptical6.8 million ly
apartNGC 4811Lenticular6.9 million ly
apart
Worlds in the same direction on the sky→apartNGC 4677Lenticular3.0 million ly
apartNGC 4672Spiral6.3 million ly
apartNGC 4553Lenticular6.6 million ly
apartNGC 4696BElliptical6.8 million ly
apartNGC 4811Lenticular6.9 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).