IC 954

IC 954

IC 954 is a spiral galaxy in the constellation Ursa Minor about 419 million ly from Earth. It spans roughly 120,000 ly, about the width of our Milky Way. It is receding from us at about 10,276 km/s.

Illustration from its catalogued shape, not a photograph

Spiral
type · Sab
419 million ly
from Earth · from redshift
117k ly
across
14.4
apparent magnitude
10,276 km/s
receding (RC3)

Because its light is 419 million ly from home, you are seeing IC 954 as it looked roughly 419 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 945Barred spiral6.8 million ly
apart
NGC 5415Elliptical9.0 million ly
apart
NGC 5671Barred spiral25 million ly
apart
NGC 5034Barred spiral27 million ly
apart
NGC 5314Spiral28 million ly
apart
NGC 5262Elliptical30 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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