IC 1929

IC 1929

IC 1929 is a barred spiral galaxy in the constellation Horologium about 618 million ly from Earth. It spans roughly 170,000 ly, about 1.7 times the width of our Milky Way. It is receding from us at about 13,271 km/s.

Illustration from its catalogued shape, not a photograph

Barred spiral
type · SBab
618 million ly
from Earth · from redshift
169k ly
across
14.2
apparent magnitude
13,271 km/s
receding (RC3)

Because its light is 618 million ly from home, you are seeing IC 1929 as it looked roughly 618 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 1940Spiral20 million ly
apart
IC 1957Spiral27 million ly
apart
IC 1879Spiral38 million ly
apart
IC 1948Barred spiral45 million ly
apart
IC 1932Lenticular55 million ly
apart
IC 1987 NED02Elliptical57 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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