IC 255
IC 255
Illustration from its catalogued shape, not a photograph
Spiral
type · SABb
358 million ly
from Earth · from redshift
61k ly
across
15.7
apparent magnitude
Because its light is 358 million ly from home, you are seeing IC 255 as it looked roughly 358 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 1839Barred spiral12 million ly
apartNGC 1116Spiral19 million ly
apartIC 1838Spiral21 million ly
apartNGC 1117Elliptical21 million ly
apartNGC 1088 NED01Lenticular23 million ly
apartNGC 1166Spiral35 million ly
apart
Worlds in the same direction on the sky→apartNGC 1116Spiral19 million ly
apartIC 1838Spiral21 million ly
apartNGC 1117Elliptical21 million ly
apartNGC 1088 NED01Lenticular23 million ly
apartNGC 1166Spiral35 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).