NGC 917
NGC 917
Illustration from its catalogued shape, not a photograph
Spiral
type · Sab
252 million ly
from Earth · from redshift
130k ly
across
14.4
apparent magnitude
Because its light is 252 million ly from home, you are seeing NGC 917 as it looked roughly 252 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 1793Spiral6.9 million ly
apartNGC 940Lenticular13 million ly
apartIC 1823Spiral16 million ly
apartNGC 1060Elliptical19 million ly
apartNGC 973Barred spiral20 million ly
apartNGC 904Elliptical20 million ly
apart
Worlds in the same direction on the sky→apartNGC 940Lenticular13 million ly
apartIC 1823Spiral16 million ly
apartNGC 1060Elliptical19 million ly
apartNGC 973Barred spiral20 million ly
apartNGC 904Elliptical20 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).