NGC 805

NGC 805

NGC 805 is a lenticular galaxy in the constellation Triangulum about 213 million ly from Earth. It spans roughly 65,000 ly, about 65% of our Milky Way's width. The light reaching us tonight left it about 213 million years ago.

Illustration from its catalogued shape, not a photograph

Lenticular
type · S0
213 million ly
from Earth · from redshift
65k ly
across
14.8
apparent magnitude

Because its light is 213 million ly from home, you are seeing NGC 805 as it looked roughly 213 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 807Elliptical9.2 million ly
apart
NGC 769Spiral10 million ly
apart
NGC 826Elliptical15 million ly
apart
NGC 740Barred spiral17 million ly
apart
NGC 739Lenticular18 million ly
apart
NGC 738Lenticular19 million ly
apart
Worlds in the same direction on the sky

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).

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