IC 1731
IC 1731
Illustration from its catalogued shape, not a photograph
Spiral
type · SABc
162 million ly
from Earth · from redshift
68k ly
across
14.1
apparent magnitude
Because its light is 162 million ly from home, you are seeing IC 1731 as it looked roughly 162 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 684Barred spiral2.5 million ly
apartNGC 670Lenticular12 million ly
apartNGC 661Elliptical18 million ly
apartNGC 674Spiral21 million ly
apartNGC 656Lenticular22 million ly
apartIC 1725Spiral24 million ly
apart
Worlds in the same direction on the sky→apartNGC 670Lenticular12 million ly
apartNGC 661Elliptical18 million ly
apartNGC 674Spiral21 million ly
apartNGC 656Lenticular22 million ly
apartIC 1725Spiral24 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).