IC 4578
IC 4578
Illustration from its catalogued shape, not a photograph
Barred spiral
type · SBb
220 million ly
from Earth · from redshift
104k ly
across
13.9
apparent magnitude
Because its light is 220 million ly from home, you are seeing IC 4578 as it looked roughly 220 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 4541Barred spiral18 million ly
apartIC 4484Spiral20 million ly
apartIC 4448Barred spiral22 million ly
apartIC 4644Barred spiral26 million ly
apartNGC 6183Spiral27 million ly
apartIC 4640Spiral29 million ly
apart
Worlds in the same direction on the sky→apartIC 4484Spiral20 million ly
apartIC 4448Barred spiral22 million ly
apartIC 4644Barred spiral26 million ly
apartNGC 6183Spiral27 million ly
apartIC 4640Spiral29 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).