NGC 3398
NGC 3398
Illustration from its catalogued shape, not a photograph
Spiral
type · SABb
135 million ly
from Earth · from redshift
34k ly
across
14.4
apparent magnitude
Because its light is 135 million ly from home, you are seeing NGC 3398 as it looked roughly 135 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 3488Spiral7.6 million ly
apartNGC 3549Barred spiral8.6 million ly
apartNGC 3656Spiral12 million ly
apartNGC 3690BBarred spiral17 million ly
apartIC 705Lenticular19 million ly
apartNGC 3102Elliptical20 million ly
apart
Worlds in the same direction on the sky→apartNGC 3549Barred spiral8.6 million ly
apartNGC 3656Spiral12 million ly
apartNGC 3690BBarred spiral17 million ly
apartIC 705Lenticular19 million ly
apartNGC 3102Elliptical20 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).