IC 1443

IC 1443

IC 1443 is an elliptical galaxy in the constellation Aquarius about 230 million ly from Earth. It spans roughly 100,000 ly, about the width of our Milky Way. The light reaching us tonight left it about 230 million years ago.

Illustration from its catalogued shape, not a photograph

Elliptical
type · E
230 million ly
from Earth · from redshift
103k ly
across
13.5
apparent magnitude

Because its light is 230 million ly from home, you are seeing IC 1443 as it looked roughly 230 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 7252Lenticular17 million ly
apart
IC 1435Barred spiral19 million ly
apart
NGC 7251Spiral21 million ly
apart
IC 5178Barred spiral21 million ly
apart
NGC 7284Lenticular21 million ly
apart
NGC 7225Lenticular22 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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