IC 3991
IC 3991
Illustration from its catalogued shape, not a photograph
Elliptical
type · E-S0
281 million ly
from Earth · from redshift
74k ly
across
14.4
apparent magnitude
Because its light is 281 million ly from home, you are seeing IC 3991 as it looked roughly 281 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 3990Spiral4.2 million ly
apartNGC 4896Elliptical4.3 million ly
apartNGC 4850Lenticular4.9 million ly
apartIC 3968Elliptical5.8 million ly
apartNGC 4934Lenticular6.7 million ly
apartNGC 4840Elliptical6.9 million ly
apart
Worlds in the same direction on the sky→apartNGC 4896Elliptical4.3 million ly
apartNGC 4850Lenticular4.9 million ly
apartIC 3968Elliptical5.8 million ly
apartNGC 4934Lenticular6.7 million ly
apartNGC 4840Elliptical6.9 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).