IC 4991
IC 4991
Illustration from its catalogued shape, not a photograph
Lenticular
type · S0
266 million ly
from Earth · from redshift
225k ly
across
11.5
apparent magnitude
Because its light is 266 million ly from home, you are seeing IC 4991 as it looked roughly 266 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 6878Spiral18 million ly
apartNGC 6849Elliptical20 million ly
apartIC 4926Elliptical22 million ly
apartNGC 6878ASpiral23 million ly
apartIC 4931Elliptical25 million ly
apartIC 4956Elliptical34 million ly
apart
Worlds in the same direction on the sky→apartNGC 6849Elliptical20 million ly
apartIC 4926Elliptical22 million ly
apartNGC 6878ASpiral23 million ly
apartIC 4931Elliptical25 million ly
apartIC 4956Elliptical34 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).