IC 2290

IC 2290 is a spiral galaxy in the constellation Cancer about 265 million ly from Earth. It spans roughly 45,000 ly, about 45% of our Milky Way's width. The light reaching us tonight left it about 265 million years ago.

Because its light is 265 million ly from home, you are seeing IC 2290 as it looked roughly 265 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.

Source: structural data (position, morphology, brightness, redshift) from OpenNGC (CC BY-SA). Recession velocity from RC3 (de Vaucouleurs et al. 1991, via NASA/HEASARC, public domain). Distance computed by gravityfinder from redshift via Hubble's law (H0 = 70 km/s/Mpc).