IC 4554
IC 4554
Illustration from its catalogued shape, not a photograph
Spiral
type · Sab
504 million ly
from Earth · from redshift
69k ly
across
16.1
apparent magnitude
Because its light is 504 million ly from home, you are seeing IC 4554 as it looked roughly 504 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 4556Elliptical26 million ly
apartIC 4559Elliptical27 million ly
apartIC 4561Barred spiral32 million ly
apartIC 4558Barred spiral36 million ly
apartIC 4546Spiral53 million ly
apartIC 4547Elliptical54 million ly
apart
Worlds in the same direction on the sky→apartIC 4559Elliptical27 million ly
apartIC 4561Barred spiral32 million ly
apartIC 4558Barred spiral36 million ly
apartIC 4546Spiral53 million ly
apartIC 4547Elliptical54 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).