IC 3665
IC 3665
Illustration from its catalogued shape, not a photograph
Irregular
type · I
56 million ly
from Earth · from redshift
13k ly
across
15.1
apparent magnitude
Because its light is 56 million ly from home, you are seeing IC 3665 as it looked roughly 56 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 3684Elliptical1.8 million ly
apartNGC 4694Lenticular1.9 million ly
apartNGC 4551Elliptical1.9 million ly
apartIC 3779Elliptical2.6 million ly
apartIC 3499Lenticular2.7 million ly
apartNGC 4638Elliptical2.9 million ly
apart
Worlds in the same direction on the sky→apartNGC 4694Lenticular1.9 million ly
apartNGC 4551Elliptical1.9 million ly
apartIC 3779Elliptical2.6 million ly
apartIC 3499Lenticular2.7 million ly
apartNGC 4638Elliptical2.9 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).