IC 4747
IC 4747
Illustration from its catalogued shape, not a photograph
Spiral
type · Sc
254 million ly
from Earth · from redshift
81k ly
across
15.1
apparent magnitude
Because its light is 254 million ly from home, you are seeing IC 4747 as it looked roughly 254 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 6653Elliptical13 million ly
apartNGC 6557Lenticular20 million ly
apartIC 4740Spiral22 million ly
apartIC 4654Spiral25 million ly
apartIC 4713Barred spiral26 million ly
apartIC 4661Spiral31 million ly
apart
Worlds in the same direction on the sky→apartNGC 6557Lenticular20 million ly
apartIC 4740Spiral22 million ly
apartIC 4654Spiral25 million ly
apartIC 4713Barred spiral26 million ly
apartIC 4661Spiral31 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).