NGC 6845B

NGC 6845B

NGC 6845B is a barred spiral galaxy in the constellation Telescopium about 315 million ly from Earth. It spans roughly 71,000 ly, about 71% of our Milky Way's width. It is receding from us at about 6,753 km/s.

Illustration from its catalogued shape, not a photograph

Barred spiral
type · SBb
315 million ly
from Earth · from redshift
71k ly
across
13.9
apparent magnitude
6,753 km/s
receding (RC3)

Because its light is 315 million ly from home, you are seeing NGC 6845B as it looked roughly 315 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 6845CLenticular3.7 million ly
apart
NGC 6845ABarred spiral15 million ly
apart
NGC 6845DLenticular19 million ly
apart
IC 4923Lenticular31 million ly
apart
IC 4983Barred spiral32 million ly
apart
NGC 6919Spiral33 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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