IC 2403
IC 2403
Illustration from its catalogued shape, not a photograph
Lenticular
type · S0-a
255 million ly
from Earth · from redshift
52k ly
across
15.4
apparent magnitude
Because its light is 255 million ly from home, you are seeing IC 2403 as it looked roughly 255 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 2674Spiral7.9 million ly
apartNGC 2754Lenticular27 million ly
apartIC 2437Elliptical28 million ly
apartIC 513Lenticular33 million ly
apartIC 2377Spiral36 million ly
apartNGC 2851Lenticular41 million ly
apart
Worlds in the same direction on the sky→apartNGC 2754Lenticular27 million ly
apartIC 2437Elliptical28 million ly
apartIC 513Lenticular33 million ly
apartIC 2377Spiral36 million ly
apartNGC 2851Lenticular41 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).