IC 4646
IC 4646
Illustration from its catalogued shape, not a photograph
Spiral
type · Sc
149 million ly
from Earth · from redshift
120k ly
across
12.3
apparent magnitude
Because its light is 149 million ly from home, you are seeing IC 4646 as it looked roughly 149 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 6156Spiral17 million ly
apartNGC 6215ABarred spiral17 million ly
apartNGC 6305Elliptical23 million ly
apartIC 4717Barred spiral24 million ly
apartIC 4719Spiral25 million ly
apartIC 4694Barred spiral25 million ly
apart
Worlds in the same direction on the sky→apartNGC 6215ABarred spiral17 million ly
apartNGC 6305Elliptical23 million ly
apartIC 4717Barred spiral24 million ly
apartIC 4719Spiral25 million ly
apartIC 4694Barred spiral25 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).