NGC 1643
NGC 1643
Illustration from its catalogued shape, not a photograph
Barred spiral
type · SBbc
229 million ly
from Earth · from redshift
83k ly
across
14.1
apparent magnitude
Because its light is 229 million ly from home, you are seeing NGC 1643 as it looked roughly 229 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 1645Lenticular4.5 million ly
apartIC 2097Irregular7.4 million ly
apartIC 389Elliptical9.0 million ly
apartNGC 1622Spiral11 million ly
apartNGC 1625Barred spiral11 million ly
apartNGC 1618Barred spiral12 million ly
apart
Worlds in the same direction on the sky→apartIC 2097Irregular7.4 million ly
apartIC 389Elliptical9.0 million ly
apartNGC 1622Spiral11 million ly
apartNGC 1625Barred spiral11 million ly
apartNGC 1618Barred spiral12 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).