NGC 717
NGC 717
Illustration from its catalogued shape, not a photograph
Lenticular
type · S0-a
235 million ly
from Earth · from redshift
89k ly
across
13.9
apparent magnitude
Because its light is 235 million ly from home, you are seeing NGC 717 as it looked roughly 235 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 679Elliptical4.0 million ly
apartNGC 687Lenticular4.2 million ly
apartNGC 753Spiral7.0 million ly
apartNGC 708Elliptical8.0 million ly
apartIC 1732Lenticular8.3 million ly
apartIC 178Spiral10 million ly
apart
Worlds in the same direction on the sky→apartNGC 687Lenticular4.2 million ly
apartNGC 753Spiral7.0 million ly
apartNGC 708Elliptical8.0 million ly
apartIC 1732Lenticular8.3 million ly
apartIC 178Spiral10 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).