IC 23
IC 23
Illustration from its catalogued shape, not a photograph
Elliptical
type · E
286 million ly
from Earth · from redshift
71k ly
across
15.1
apparent magnitude
Because its light is 286 million ly from home, you are seeing IC 23 as it looked roughly 286 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
IC 18Barred spiral6.3 million ly
apartNGC 166Spiral9.0 million ly
apartNGC 155Lenticular11 million ly
apartIC 19Elliptical15 million ly
apartIC 28Elliptical15 million ly
apartNGC 163Elliptical17 million ly
apart
Worlds in the same direction on the sky→apartNGC 166Spiral9.0 million ly
apartNGC 155Lenticular11 million ly
apartIC 19Elliptical15 million ly
apartIC 28Elliptical15 million ly
apartNGC 163Elliptical17 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).