IC 584
IC 584
Illustration from its catalogued shape, not a photograph
Spiral
type · Sa
249 million ly
from Earth · from redshift
36k ly
across
15.0
apparent magnitude
Because its light is 249 million ly from home, you are seeing IC 584 as it looked roughly 249 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 3070Elliptical1.9 million ly
apartNGC 3069Spiral3.4 million ly
apartNGC 3134Barred spiral18 million ly
apartIC 548Lenticular26 million ly
apartIC 552Lenticular28 million ly
apartNGC 2948Barred spiral31 million ly
apart
Worlds in the same direction on the sky→apartNGC 3069Spiral3.4 million ly
apartNGC 3134Barred spiral18 million ly
apartIC 548Lenticular26 million ly
apartIC 552Lenticular28 million ly
apartNGC 2948Barred spiral31 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).