NGC 7393

NGC 7393

NGC 7393 is a barred spiral galaxy in the constellation Aquarius about 176 million ly from Earth. It spans roughly 100,000 ly, about the width of our Milky Way. It is receding from us at about 3,706 km/s.

Illustration from its catalogued shape, not a photograph

Barred spiral
type · SBc
176 million ly
from Earth · from redshift
104k ly
across
13.3
apparent magnitude
3,706 km/s
receding (RC3)

Because its light is 176 million ly from home, you are seeing NGC 7393 as it looked roughly 176 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 5278Spiral17 million ly
apart
IC 1467Spiral19 million ly
apart
NGC 7506Lenticular20 million ly
apart
NGC 7532Lenticular21 million ly
apart
NGC 7576Lenticular21 million ly
apart
NGC 7530Lenticular22 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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