IC 1684
IC 1684
Illustration from its catalogued shape, not a photograph
Lenticular
type · S0
185 million ly
from Earth · from redshift
37k ly
across
15.8
apparent magnitude
Because its light is 185 million ly from home, you are seeing IC 1684 as it looked roughly 185 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 495Lenticular5.7 million ly
apartNGC 517Lenticular10 million ly
apartNGC 504Lenticular12 million ly
apartNGC 384Elliptical17 million ly
apartIC 1682Spiral18 million ly
apartNGC 582Barred spiral19 million ly
apart
Worlds in the same direction on the sky→apartNGC 517Lenticular10 million ly
apartNGC 504Lenticular12 million ly
apartNGC 384Elliptical17 million ly
apartIC 1682Spiral18 million ly
apartNGC 582Barred spiral19 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).