NGC 554A
NGC 554A
Illustration from its catalogued shape, not a photograph
Lenticular
type · S0
446 million ly
from Earth · from redshift
184k ly
across
15.0
apparent magnitude
Because its light is 446 million ly from home, you are seeing NGC 554A as it looked roughly 446 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 556Elliptical8.4 million ly
apartNGC 555Lenticular35 million ly
apartNGC 539Spiral37 million ly
apartNGC 540Lenticular40 million ly
apartIC 1667Spiral48 million ly
apartIC 1599Barred spiral61 million ly
apart
Worlds in the same direction on the sky→apartNGC 555Lenticular35 million ly
apartNGC 539Spiral37 million ly
apartNGC 540Lenticular40 million ly
apartIC 1667Spiral48 million ly
apartIC 1599Barred spiral61 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).