NGC 721
NGC 721
Illustration from its catalogued shape, not a photograph
Barred spiral
type · Sbc
259 million ly
from Earth · from redshift
106k ly
across
13.5
apparent magnitude
Because its light is 259 million ly from home, you are seeing NGC 721 as it looked roughly 259 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 662Barred spiral13 million ly
apartNGC 801Spiral13 million ly
apartNGC 703Elliptical15 million ly
apartNGC 712Lenticular17 million ly
apartNGC 828Spiral18 million ly
apartNGC 732Lenticular20 million ly
apart
Worlds in the same direction on the sky→apartNGC 801Spiral13 million ly
apartNGC 703Elliptical15 million ly
apartNGC 712Lenticular17 million ly
apartNGC 828Spiral18 million ly
apartNGC 732Lenticular20 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).