NGC 6643
NGC 6643
Illustration from its catalogued shape, not a photograph
Spiral
type · Sc
69 million ly
from Earth · from redshift
67k ly
across
11.1
apparent magnitude
Because its light is 69 million ly from home, you are seeing NGC 6643 as it looked roughly 69 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 6538Barred spiral7.5 million ly
apartNGC 6412Spiral8.7 million ly
apartNGC 6217Barred spiral10 million ly
apartIC 4660Barred spiral12 million ly
apartIC 1254Barred spiral13 million ly
apartNGC 6236Spiral13 million ly
apart
Worlds in the same direction on the sky→apartNGC 6412Spiral8.7 million ly
apartNGC 6217Barred spiral10 million ly
apartIC 4660Barred spiral12 million ly
apartIC 1254Barred spiral13 million ly
apartNGC 6236Spiral13 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).