NGC 643B
NGC 643B
Illustration from its catalogued shape, not a photograph
Lenticular
type · S0-a
188 million ly
from Earth · from redshift
96k ly
across
14.6
apparent magnitude
Because its light is 188 million ly from home, you are seeing NGC 643B as it looked roughly 188 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 643CSpiral16 million ly
apartNGC 7637Spiral32 million ly
apartIC 2103Spiral38 million ly
apartIC 5335Lenticular40 million ly
apartNGC 7655Lenticular40 million ly
apartIC 5324Elliptical40 million ly
apart
Worlds in the same direction on the sky→apartNGC 7637Spiral32 million ly
apartIC 2103Spiral38 million ly
apartIC 5335Lenticular40 million ly
apartNGC 7655Lenticular40 million ly
apartIC 5324Elliptical40 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).