IC 313

IC 313

IC 313 is an elliptical galaxy in the constellation Perseus about 205 million ly from Earth. It spans roughly 75,000 ly, about 75% of our Milky Way's width. It is receding from us at about 4,429 km/s.

Illustration from its catalogued shape, not a photograph

Elliptical
type · E
205 million ly
from Earth · from redshift
75k ly
across
14.8
apparent magnitude
4,429 km/s
receding (RC3)

Because its light is 205 million ly from home, you are seeing IC 313 as it looked roughly 205 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 311Barred spiral9.1 million ly
apart
NGC 1281Elliptical9.1 million ly
apart
NGC 1334Barred spiral11 million ly
apart
IC 309Lenticular12 million ly
apart
IC 1934Lenticular13 million ly
apart
NGC 1293Elliptical14 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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