NGC 6947

NGC 6947

NGC 6947 is a barred spiral galaxy in the constellation Microscopium about 261 million ly from Earth. It spans roughly 130,000 ly, about the width of our Milky Way. It is receding from us at about 5,628 km/s.

Illustration from its catalogued shape, not a photograph

Barred spiral
type · Sb
261 million ly
from Earth · from redshift
132k ly
across
13.4
apparent magnitude
5,628 km/s
receding (RC3)

Because its light is 261 million ly from home, you are seeing NGC 6947 as it looked roughly 261 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
IC 5086Elliptical35 million ly
apart
NGC 6936Elliptical36 million ly
apart
NGC 6924Elliptical40 million ly
apart
NGC 6993Barred spiral42 million ly
apart
NGC 6841Elliptical44 million ly
apart
IC 4991Lenticular45 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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