IC 646
IC 646
Illustration from its catalogued shape, not a photograph
Spiral
type · Sa
651 million ly
from Earth · from redshift
159k ly
across
15.4
apparent magnitude
Because its light is 651 million ly from home, you are seeing IC 646 as it looked roughly 651 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 3298Elliptical68 million ly
apartNGC 3889Elliptical150 million ly
apartNGC 4549Spiral160 million ly
apartNGC 4547Elliptical160 million ly
apartNGC 4652Barred spiral170 million ly
apartNGC 3594Lenticular190 million ly
apart
Worlds in the same direction on the sky→apartNGC 3889Elliptical150 million ly
apartNGC 4549Spiral160 million ly
apartNGC 4547Elliptical160 million ly
apartNGC 4652Barred spiral170 million ly
apartNGC 3594Lenticular190 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).