IC 4342
IC 4342
Illustration from its catalogued shape, not a photograph
Spiral
type · Sab
407 million ly
from Earth · from redshift
129k ly
across
15.3
apparent magnitude
Because its light is 407 million ly from home, you are seeing IC 4342 as it looked roughly 407 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 4343Elliptical1,000,000 ly
apartIC 4332Lenticular7.2 million ly
apartIC 4346Lenticular11 million ly
apartIC 4373Elliptical20 million ly
apartIC 916Elliptical24 million ly
apartIC 4317Spiral25 million ly
apart
Worlds in the same direction on the sky→apartIC 4332Lenticular7.2 million ly
apartIC 4346Lenticular11 million ly
apartIC 4373Elliptical20 million ly
apartIC 916Elliptical24 million ly
apartIC 4317Spiral25 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).