IC 1643
IC 1643
Illustration from its catalogued shape, not a photograph
Barred spiral
type · SBa
254 million ly
from Earth · from redshift
67k ly
across
15.2
apparent magnitude
Because its light is 254 million ly from home, you are seeing IC 1643 as it looked roughly 254 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 430Elliptical2.8 million ly
apartIC 1639Elliptical3.7 million ly
apartIC 1640Barred spiral4.3 million ly
apartNGC 442Lenticular6.6 million ly
apartNGC 429Lenticular8.0 million ly
apartNGC 426Elliptical9.3 million ly
apart
Worlds in the same direction on the sky→apartIC 1639Elliptical3.7 million ly
apartIC 1640Barred spiral4.3 million ly
apartNGC 442Lenticular6.6 million ly
apartNGC 429Lenticular8.0 million ly
apartNGC 426Elliptical9.3 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).