IC 243
IC 243
Illustration from its catalogued shape, not a photograph
Spiral
type · Sa
340 million ly
from Earth · from redshift
121k ly
across
15.5
apparent magnitude
Because its light is 340 million ly from home, you are seeing IC 243 as it looked roughly 340 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 1033Spiral11 million ly
apartNGC 1041Elliptical15 million ly
apartNGC 1080Spiral30 million ly
apartNGC 1126Barred spiral39 million ly
apartNGC 1132Elliptical42 million ly
apartIC 264Elliptical44 million ly
apart
Worlds in the same direction on the sky→apartNGC 1041Elliptical15 million ly
apartNGC 1080Spiral30 million ly
apartNGC 1126Barred spiral39 million ly
apartNGC 1132Elliptical42 million ly
apartIC 264Elliptical44 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).