NGC 7155
NGC 7155
Illustration from its catalogued shape, not a photograph
Lenticular
type · S0
87 million ly
from Earth · from redshift
55k ly
across
12.1
apparent magnitude
Because its light is 87 million ly from home, you are seeing NGC 7155 as it looked roughly 87 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 7151Spiral1.8 million ly
apartNGC 7145Elliptical2.7 million ly
apartNGC 7144Elliptical4.2 million ly
apartNGC 7213Spiral7.1 million ly
apartNGC 7233Lenticular7.7 million ly
apartNGC 7232Lenticular7.8 million ly
apart
Worlds in the same direction on the sky→apartNGC 7145Elliptical2.7 million ly
apartNGC 7144Elliptical4.2 million ly
apartNGC 7213Spiral7.1 million ly
apartNGC 7233Lenticular7.7 million ly
apartNGC 7232Lenticular7.8 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).