NGC 4939
NGC 4939
Illustration from its catalogued shape, not a photograph
Barred spiral
type · Sbc
145 million ly
from Earth · from redshift
241k ly
across
11.9
apparent magnitude
Because its light is 145 million ly from home, you are seeing NGC 4939 as it looked roughly 145 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 4933CSpiral5.2 million ly
apartNGC 4933BLenticular7.3 million ly
apartNGC 4933AElliptical7.3 million ly
apartNGC 5076Lenticular12 million ly
apartNGC 4989Lenticular13 million ly
apartCocoon GalaxyLenticular13 million ly
apart
Worlds in the same direction on the sky→apartNGC 4933BLenticular7.3 million ly
apartNGC 4933AElliptical7.3 million ly
apartNGC 5076Lenticular12 million ly
apartNGC 4989Lenticular13 million ly
apartCocoon GalaxyLenticular13 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).