NGC 6491
NGC 6491
Illustration from its catalogued shape, not a photograph
Spiral
type · Sab
289 million ly
from Earth · from redshift
105k ly
across
14.4
apparent magnitude
Because its light is 289 million ly from home, you are seeing NGC 6491 as it looked roughly 289 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 6436Spiral9.5 million ly
apartNGC 6497Barred spiral12 million ly
apartNGC 6493Spiral13 million ly
apartNGC 6393Barred spiral25 million ly
apartNGC 6299Elliptical29 million ly
apartNGC 6607Barred spiral30 million ly
apart
Worlds in the same direction on the sky→apartNGC 6497Barred spiral12 million ly
apartNGC 6493Spiral13 million ly
apartNGC 6393Barred spiral25 million ly
apartNGC 6299Elliptical29 million ly
apartNGC 6607Barred spiral30 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).