IC 3900
IC 3900
Illustration from its catalogued shape, not a photograph
Lenticular
type · S0
330 million ly
from Earth · from redshift
92k ly
across
14.8
apparent magnitude
Because its light is 330 million ly from home, you are seeing IC 3900 as it looked roughly 330 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 4821Elliptical2.9 million ly
apartIC 832Elliptical5.2 million ly
apartNGC 4807Elliptical5.5 million ly
apartNGC 4859Lenticular5.8 million ly
apartIC 3959Elliptical6.0 million ly
apartNGC 4848Spiral7.1 million ly
apart
Worlds in the same direction on the sky→apartIC 832Elliptical5.2 million ly
apartNGC 4807Elliptical5.5 million ly
apartNGC 4859Lenticular5.8 million ly
apartIC 3959Elliptical6.0 million ly
apartNGC 4848Spiral7.1 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).