IC 3661
IC 3661
Illustration from its catalogued shape, not a photograph
Spiral
type · Sm
329 million ly
from Earth · from redshift
53k ly
across
17.3
apparent magnitude
Because its light is 329 million ly from home, you are seeing IC 3661 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 813Barred spiral6.1 million ly
apartIC 3730Spiral9.1 million ly
apartIC 3759Spiral12 million ly
apartIC 3597Barred spiral12 million ly
apartIC 3734Barred spiral13 million ly
apartIC 3581Barred spiral14 million ly
apart
Worlds in the same direction on the sky→apartIC 3730Spiral9.1 million ly
apartIC 3759Spiral12 million ly
apartIC 3597Barred spiral12 million ly
apartIC 3734Barred spiral13 million ly
apartIC 3581Barred spiral14 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).