IC 4330

IC 4330

IC 4330 is a barred spiral galaxy in the constellation Hydra about 534 million ly from Earth. It spans roughly 200,000 ly, about 2.0 times the width of our Milky Way. It is receding from us at about 11,493 km/s.

Illustration from its catalogued shape, not a photograph

Barred spiral
type · SBc
534 million ly
from Earth · from redshift
200k ly
across
14.7
apparent magnitude
11,493 km/s
receding (RC3)

Because its light is 534 million ly from home, you are seeing IC 4330 as it looked roughly 534 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 4309Barred spiral35 million ly
apart
IC 4281Spiral49 million ly
apart
IC 4243Elliptical52 million ly
apart
IC 4288Barred spiral53 million ly
apart
IC 4262Barred spiral53 million ly
apart
IC 4289Elliptical54 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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