IC 4584
IC 4584
Illustration from its catalogued shape, not a photograph
Spiral
type · Sc
172 million ly
from Earth · from redshift
98k ly
across
15.8
apparent magnitude
Because its light is 172 million ly from home, you are seeing IC 4584 as it looked roughly 172 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 4585Barred spiral820,000 ly
apartNGC 5938Barred spiral11 million ly
apartIC 4595Spiral17 million ly
apartNGC 6156Spiral27 million ly
apartNGC 6392Spiral31 million ly
apartNGC 5799Lenticular35 million ly
apart
Worlds in the same direction on the sky→apartNGC 5938Barred spiral11 million ly
apartIC 4595Spiral17 million ly
apartNGC 6156Spiral27 million ly
apartNGC 6392Spiral31 million ly
apartNGC 5799Lenticular35 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).