NGC 871
NGC 871
Illustration from its catalogued shape, not a photograph
Barred spiral
type · SBc
175 million ly
from Earth · from redshift
51k ly
across
13.6
apparent magnitude
Because its light is 175 million ly from home, you are seeing NGC 871 as it looked roughly 175 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 1791Lenticular6.3 million ly
apartIC 1790Spiral6.7 million ly
apartNGC 876Spiral9.3 million ly
apartNGC 882Lenticular10 million ly
apartIC 195Lenticular11 million ly
apartIC 196Spiral11 million ly
apart
Worlds in the same direction on the sky→apartIC 1790Spiral6.7 million ly
apartNGC 876Spiral9.3 million ly
apartNGC 882Lenticular10 million ly
apartIC 195Lenticular11 million ly
apartIC 196Spiral11 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).