NGC 7172
NGC 7172
Illustration from its catalogued shape, not a photograph
Spiral
type · Sa
120 million ly
from Earth · from redshift
96k ly
across
12.2
apparent magnitude
Because its light is 120 million ly from home, you are seeing NGC 7172 as it looked roughly 120 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 7176Elliptical2.4 million ly
apartNGC 7204ABarred spiral2.9 million ly
apartNGC 7204BLenticular2.9 million ly
apartNGC 7187Lenticular4.4 million ly
apartNGC 7173Elliptical5.7 million ly
apartNGC 7154Irregular7.2 million ly
apart
Worlds in the same direction on the sky→apartNGC 7204ABarred spiral2.9 million ly
apartNGC 7204BLenticular2.9 million ly
apartNGC 7187Lenticular4.4 million ly
apartNGC 7173Elliptical5.7 million ly
apartNGC 7154Irregular7.2 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).