NGC 6845D

NGC 6845D

NGC 6845D is a lenticular galaxy in the constellation Telescopium about 333 million ly from Earth. It spans roughly 77,000 ly, about 77% of our Milky Way's width. It is receding from us at about 6,816 km/s.

Illustration from its catalogued shape, not a photograph

Lenticular
type · S0
333 million ly
from Earth · from redshift
77k ly
across
14.7
apparent magnitude
6,816 km/s
receding (RC3)

Because its light is 333 million ly from home, you are seeing NGC 6845D as it looked roughly 333 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 6845CLenticular15 million ly
apart
NGC 6845BBarred spiral19 million ly
apart
IC 4914Barred spiral24 million ly
apart
IC 4909Barred spiral25 million ly
apart
NGC 6845ABarred spiral34 million ly
apart
IC 4923Lenticular38 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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