NGC 155
NGC 155
Illustration from its catalogued shape, not a photograph
Lenticular
type · S0
288 million ly
from Earth · from redshift
125k ly
across
14.2
apparent magnitude
Because its light is 288 million ly from home, you are seeing NGC 155 as it looked roughly 288 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
IC 18Barred spiral8.9 million ly
apartNGC 191ALenticular11 million ly
apartIC 23Elliptical11 million ly
apartIC 22Lenticular11 million ly
apartNGC 191Spiral12 million ly
apartNGC 163Elliptical13 million ly
apart
Worlds in the same direction on the sky→apartNGC 191ALenticular11 million ly
apartIC 23Elliptical11 million ly
apartIC 22Lenticular11 million ly
apartNGC 191Spiral12 million ly
apartNGC 163Elliptical13 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).