IC 4542
IC 4542
Illustration from its catalogued shape, not a photograph
Lenticular
type · S0-a
443 million ly
from Earth · from redshift
135k ly
across
15.1
apparent magnitude
Because its light is 443 million ly from home, you are seeing IC 4542 as it looked roughly 443 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 5924Barred spiral16 million ly
apartIC 4549Barred spiral16 million ly
apartIC 4535Barred spiral42 million ly
apartIC 4520Barred spiral45 million ly
apartIC 4568Barred spiral49 million ly
apartIC 4570Spiral50 million ly
apart
Worlds in the same direction on the sky→apartIC 4549Barred spiral16 million ly
apartIC 4535Barred spiral42 million ly
apartIC 4520Barred spiral45 million ly
apartIC 4568Barred spiral49 million ly
apartIC 4570Spiral50 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).