IC 493
IC 493
Illustration from its catalogued shape, not a photograph
Barred spiral
type · Sb
289 million ly
from Earth · from redshift
68k ly
across
14.8
apparent magnitude
Because its light is 289 million ly from home, you are seeing IC 493 as it looked roughly 289 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 2540Spiral8.7 million ly
apartIC 2239Lenticular12 million ly
apartIC 491Spiral17 million ly
apartNGC 2492Elliptical25 million ly
apartIC 2365Lenticular26 million ly
apartIC 2382Lenticular29 million ly
apart
Worlds in the same direction on the sky→apartIC 2239Lenticular12 million ly
apartIC 491Spiral17 million ly
apartNGC 2492Elliptical25 million ly
apartIC 2365Lenticular26 million ly
apartIC 2382Lenticular29 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).