NGC 4820
NGC 4820
Illustration from its catalogued shape, not a photograph
Lenticular
type · S0
217 million ly
from Earth · from redshift
75k ly
across
14.9
apparent magnitude
Because its light is 217 million ly from home, you are seeing NGC 4820 as it looked roughly 217 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 4823Lenticular2.5 million ly
apartNGC 4792Lenticular6.7 million ly
apartNGC 4855Elliptical8.0 million ly
apartNGC 4847Elliptical9.8 million ly
apartNGC 4924Lenticular13 million ly
apartNGC 4760Elliptical13 million ly
apart
Worlds in the same direction on the sky→apartNGC 4792Lenticular6.7 million ly
apartNGC 4855Elliptical8.0 million ly
apartNGC 4847Elliptical9.8 million ly
apartNGC 4924Lenticular13 million ly
apartNGC 4760Elliptical13 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).