IC 3155
IC 3155
Illustration from its catalogued shape, not a photograph
Lenticular
type · S0
105 million ly
from Earth · from redshift
30k ly
across
14.4
apparent magnitude
Because its light is 105 million ly from home, you are seeing IC 3155 as it looked roughly 105 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 4223Lenticular1.7 million ly
apartNGC 4300Spiral1.8 million ly
apartNGC 4261Elliptical2.7 million ly
apartNGC 4235Spiral2.7 million ly
apartNGC 4292Lenticular2.8 million ly
apartNGC 4180Spiral3.6 million ly
apart
Worlds in the same direction on the sky→apartNGC 4300Spiral1.8 million ly
apartNGC 4261Elliptical2.7 million ly
apartNGC 4235Spiral2.7 million ly
apartNGC 4292Lenticular2.8 million ly
apartNGC 4180Spiral3.6 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).