NGC 138
NGC 138
Illustration from its catalogued shape, not a photograph
Spiral
type · Sa
555 million ly
from Earth · from redshift
202k ly
across
14.7
apparent magnitude
Because its light is 555 million ly from home, you are seeing NGC 138 as it looked roughly 555 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 141Lenticular5.1 million ly
apartNGC 139Barred spiral25 million ly
apartIC 1549Lenticular28 million ly
apartIC 1566Elliptical29 million ly
apartIC 1565Elliptical31 million ly
apartIC 1568Lenticular32 million ly
apart
Worlds in the same direction on the sky→apartNGC 139Barred spiral25 million ly
apartIC 1549Lenticular28 million ly
apartIC 1566Elliptical29 million ly
apartIC 1565Elliptical31 million ly
apartIC 1568Lenticular32 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).