IC 399
IC 399
Illustration from its catalogued shape, not a photograph
Irregular
type · IAB
186 million ly
from Earth · from redshift
29k ly
across
14.8
apparent magnitude
Because its light is 186 million ly from home, you are seeing IC 399 as it looked roughly 186 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 1741Spiral3.5 million ly
apartNGC 1753Barred spiral4.9 million ly
apartNGC 1740Elliptical5.2 million ly
apartNGC 1699Barred spiral5.3 million ly
apartNGC 1700Elliptical5.7 million ly
apartNGC 1694Lenticular6.6 million ly
apart
Worlds in the same direction on the sky→apartNGC 1753Barred spiral4.9 million ly
apartNGC 1740Elliptical5.2 million ly
apartNGC 1699Barred spiral5.3 million ly
apartNGC 1700Elliptical5.7 million ly
apartNGC 1694Lenticular6.6 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).