NGC 747
NGC 747
Illustration from its catalogued shape, not a photograph
Barred spiral
type · Sb
250 million ly
from Earth · from redshift
84k ly
across
14.5
apparent magnitude
Because its light is 250 million ly from home, you are seeing NGC 747 as it looked roughly 250 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 726Barred spiral6.4 million ly
apartNGC 707Elliptical7.8 million ly
apartNGC 809Lenticular8.1 million ly
apartNGC 713Barred spiral8.2 million ly
apartIC 1767Spiral8.4 million ly
apartIC 168Lenticular8.6 million ly
apart
Worlds in the same direction on the sky→apartNGC 707Elliptical7.8 million ly
apartNGC 809Lenticular8.1 million ly
apartNGC 713Barred spiral8.2 million ly
apartIC 1767Spiral8.4 million ly
apartIC 168Lenticular8.6 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).