NGC 643C
NGC 643C
Illustration from its catalogued shape, not a photograph
Spiral
type · Sc
204 million ly
from Earth · from redshift
83k ly
across
15.7
apparent magnitude
Because its light is 204 million ly from home, you are seeing NGC 643C as it looked roughly 204 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 643BLenticular16 million ly
apartIC 2103Spiral37 million ly
apartNGC 7637Spiral42 million ly
apartIC 2089Spiral43 million ly
apartIC 5322Lenticular45 million ly
apartIC 5323Lenticular47 million ly
apart
Worlds in the same direction on the sky→apartIC 2103Spiral37 million ly
apartNGC 7637Spiral42 million ly
apartIC 2089Spiral43 million ly
apartIC 5322Lenticular45 million ly
apartIC 5323Lenticular47 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).