NGC 7443

NGC 7443

NGC 7443 is a lenticular galaxy in the constellation Aquarius about 153 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 3,474 km/s.

Illustration from its catalogued shape, not a photograph

Lenticular
type · S0-a
153 million ly
from Earth · from redshift
77k ly
across
12.9
apparent magnitude
3,474 km/s
receding (RC3)

Because its light is 153 million ly from home, you are seeing NGC 7443 as it looked roughly 153 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 7450Lenticular3.2 million ly
apart
NGC 7444Lenticular11 million ly
apart
IC 5278Spiral15 million ly
apart
IC 5261Barred spiral20 million ly
apart
NGC 7600Elliptical21 million ly
apart
NGC 7392Barred spiral22 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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