IC 647
IC 647
Illustration from its catalogued shape, not a photograph
Lenticular
type · S0-a
212 million ly
from Earth · from redshift
42k ly
across
15.8
apparent magnitude
Because its light is 212 million ly from home, you are seeing IC 647 as it looked roughly 212 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 3421Barred spiral4.1 million ly
apartNGC 3404Barred spiral4.6 million ly
apartNGC 3469Spiral8.6 million ly
apartNGC 3422Lenticular9.2 million ly
apartIC 665Spiral9.8 million ly
apartNGC 3479Barred spiral11 million ly
apart
Worlds in the same direction on the sky→apartNGC 3404Barred spiral4.6 million ly
apartNGC 3469Spiral8.6 million ly
apartNGC 3422Lenticular9.2 million ly
apartIC 665Spiral9.8 million ly
apartNGC 3479Barred spiral11 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).