IC 154
IC 154
Illustration from its catalogued shape, not a photograph
Barred spiral
type · Sb
259 million ly
from Earth · from redshift
90k ly
across
14.8
apparent magnitude
Because its light is 259 million ly from home, you are seeing IC 154 as it looked roughly 259 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 665Lenticular6.3 million ly
apartIC 1723Barred spiral8.4 million ly
apartIC 156Spiral8.5 million ly
apartIC 161Lenticular8.8 million ly
apartNGC 671Spiral12 million ly
apartNGC 683Barred spiral16 million ly
apart
Worlds in the same direction on the sky→apartIC 1723Barred spiral8.4 million ly
apartIC 156Spiral8.5 million ly
apartIC 161Lenticular8.8 million ly
apartNGC 671Spiral12 million ly
apartNGC 683Barred spiral16 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).