NGC 842
NGC 842
Illustration from its catalogued shape, not a photograph
Lenticular
type · S0
177 million ly
from Earth · from redshift
89k ly
across
12.7
apparent magnitude
Because its light is 177 million ly from home, you are seeing NGC 842 as it looked roughly 177 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 830Elliptical3.0 million ly
apartNGC 838Lenticular7.9 million ly
apartNGC 833Spiral7.9 million ly
apartNGC 839Lenticular8.4 million ly
apartIC 209Barred spiral8.9 million ly
apartNGC 879Irregular9.0 million ly
apart
Worlds in the same direction on the sky→apartNGC 838Lenticular7.9 million ly
apartNGC 833Spiral7.9 million ly
apartNGC 839Lenticular8.4 million ly
apartIC 209Barred spiral8.9 million ly
apartNGC 879Irregular9.0 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).