NGC 3821
NGC 3821
Illustration from its catalogued shape, not a photograph
Lenticular
type · S0-a
265 million ly
from Earth · from redshift
105k ly
across
12.8
apparent magnitude
Because its light is 265 million ly from home, you are seeing NGC 3821 as it looked roughly 265 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 3816Lenticular2.5 million ly
apartNGC 3845Lenticular3.3 million ly
apartNGC 3860Spiral5.5 million ly
apartNGC 3886Elliptical8.8 million ly
apartNGC 3859Spiral12 million ly
apartNGC 3873Elliptical15 million ly
apart
Worlds in the same direction on the sky→apartNGC 3845Lenticular3.3 million ly
apartNGC 3860Spiral5.5 million ly
apartNGC 3886Elliptical8.8 million ly
apartNGC 3859Spiral12 million ly
apartNGC 3873Elliptical15 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).