NGC 7557
NGC 7557
Illustration from its catalogued shape, not a photograph
Lenticular
type · S0
173 million ly
from Earth · from redshift
34k ly
across
14.2
apparent magnitude
Because its light is 173 million ly from home, you are seeing NGC 7557 as it looked roughly 173 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 7562Elliptical6.0 million ly
apartNGC 7623Lenticular6.4 million ly
apartNGC 7631Barred spiral6.6 million ly
apartNGC 7518Spiral8.8 million ly
apartNGC 7621Galaxy9.2 million ly
apartNGC 7562ASpiral9.8 million ly
apart
Worlds in the same direction on the sky→apartNGC 7623Lenticular6.4 million ly
apartNGC 7631Barred spiral6.6 million ly
apartNGC 7518Spiral8.8 million ly
apartNGC 7621Galaxy9.2 million ly
apartNGC 7562ASpiral9.8 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).