NGC 6258

NGC 6258 is an elliptical galaxy in the constellation Draco about 146 million ly from Earth. It spans roughly 37,000 ly, about 37% of our Milky Way's width. The light reaching us tonight left it about 146 million years ago.

Because its light is 146 million ly from home, you are seeing NGC 6258 as it looked roughly 146 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).