IC 91
IC 91
Illustration from its catalogued shape, not a photograph
Galaxy
morphology
329 million ly
from Earth · from redshift
68k ly
across
16.5
apparent magnitude
Because its light is 329 million ly from home, you are seeing IC 91 as it looked roughly 329 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
IC 73Galaxy42 million ly
apartNGC 497Barred spiral55 million ly
apartNGC 331Barred spiral56 million ly
apartNGC 550Barred spiral57 million ly
apartNGC 355Lenticular57 million ly
apartNGC 577Spiral58 million ly
apart
Worlds in the same direction on the sky→apartNGC 497Barred spiral55 million ly
apartNGC 331Barred spiral56 million ly
apartNGC 550Barred spiral57 million ly
apartNGC 355Lenticular57 million ly
apartNGC 577Spiral58 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).