NGC 642
NGC 642
Illustration from its catalogued shape, not a photograph
Barred spiral
type · SBc
276 million ly
from Earth · from redshift
144k ly
across
13.5
apparent magnitude
Because its light is 276 million ly from home, you are seeing NGC 642 as it looked roughly 276 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 639Spiral3.1 million ly
apartIC 1720Barred spiral15 million ly
apartIC 1719Lenticular20 million ly
apartIC 1762Barred spiral27 million ly
apartNGC 439Elliptical28 million ly
apartNGC 441Lenticular30 million ly
apart
Worlds in the same direction on the sky→apartIC 1720Barred spiral15 million ly
apartIC 1719Lenticular20 million ly
apartIC 1762Barred spiral27 million ly
apartNGC 439Elliptical28 million ly
apartNGC 441Lenticular30 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).