NGC 1668

NGC 1668

NGC 1668 is an elliptical galaxy in the constellation Caelum about 469 million ly from Earth. It spans roughly 220,000 ly, about 2.2 times the width of our Milky Way. It is receding from us at about 10,073 km/s.

Illustration from its catalogued shape, not a photograph

Elliptical
type · E-S0
469 million ly
from Earth · from redshift
215k ly
across
13.8
apparent magnitude
10,073 km/s
receding (RC3)

Because its light is 469 million ly from home, you are seeing NGC 1668 as it looked roughly 469 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
NGC 2008Spiral86 million ly
apart
IC 2079Spiral86 million ly
apart
IC 2028Spiral88 million ly
apart
IC 2029Barred spiral89 million ly
apart
IC 2023Spiral90 million ly
apart
NGC 1500Elliptical91 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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