NGC 4991
NGC 4991
Illustration from its catalogued shape, not a photograph
Barred spiral
type · SBb
794 million ly
from Earth · from redshift
136k ly
across
15.4
apparent magnitude
Because its light is 794 million ly from home, you are seeing NGC 4991 as it looked roughly 794 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 4223Barred spiral130 million ly
apartNGC 5059Spiral130 million ly
apartIC 833Galaxy140 million ly
apartIC 3709Barred spiral170 million ly
apartIC 3542Barred spiral170 million ly
apartIC 814Elliptical180 million ly
apart
Worlds in the same direction on the sky→apartNGC 5059Spiral130 million ly
apartIC 833Galaxy140 million ly
apartIC 3709Barred spiral170 million ly
apartIC 3542Barred spiral170 million ly
apartIC 814Elliptical180 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).