IC 1954

IC 1954

IC 1954 is a barred spiral galaxy in the constellation Horologium about 50 million ly from Earth. It spans roughly 43,000 ly, about 43% of our Milky Way's width. It is receding from us at about 1,031 km/s.

Illustration from its catalogued shape, not a photograph

Barred spiral
type · Sb
50 million ly
from Earth · from redshift
43k ly
across
11.6
apparent magnitude
1,031 km/s
receding (RC3)

Because its light is 50 million ly from home, you are seeing IC 1954 as it looked roughly 50 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 1933Spiral1.2 million ly
apart
IC 1914Spiral3.1 million ly
apart
NGC 1249Barred spiral3.2 million ly
apart
IC 1896Spiral4.1 million ly
apart
NGC 1433Barred spiral4.4 million ly
apart
IC 2004Lenticular4.4 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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