NGC 1657
NGC 1657
Illustration from its catalogued shape, not a photograph
Spiral
type · SABb
203 million ly
from Earth · from redshift
68k ly
across
14.9
apparent magnitude
Because its light is 203 million ly from home, you are seeing NGC 1657 as it looked roughly 203 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 1653Elliptical1.4 million ly
apartNGC 1682Elliptical6.6 million ly
apartNGC 1684Elliptical7.8 million ly
apartNGC 1654Barred spiral8.3 million ly
apartNGC 1685Lenticular11 million ly
apartNGC 1670Lenticular12 million ly
apart
Worlds in the same direction on the sky→apartNGC 1682Elliptical6.6 million ly
apartNGC 1684Elliptical7.8 million ly
apartNGC 1654Barred spiral8.3 million ly
apartNGC 1685Lenticular11 million ly
apartNGC 1670Lenticular12 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).