NGC 1556
NGC 1556
Illustration from its catalogued shape, not a photograph
Barred spiral
type · Sb
46 million ly
from Earth · from redshift
21k ly
across
13.1
apparent magnitude
Because its light is 46 million ly from home, you are seeing NGC 1556 as it looked roughly 46 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 2004Lenticular3.6 million ly
apartNGC 1527Elliptical5.2 million ly
apartNGC 1493Barred spiral5.3 million ly
apartNGC 1617Barred spiral5.4 million ly
apartIC 2032Irregular5.8 million ly
apartNGC 1510Lenticular5.9 million ly
apart
Worlds in the same direction on the sky→apartNGC 1527Elliptical5.2 million ly
apartNGC 1493Barred spiral5.3 million ly
apartNGC 1617Barred spiral5.4 million ly
apartIC 2032Irregular5.8 million ly
apartNGC 1510Lenticular5.9 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).