IC 1618

IC 1618

IC 1618 is a lenticular galaxy in the constellation Pisces about 220 million ly from Earth. It spans roughly 55,000 ly, about 55% of our Milky Way's width. It is receding from us at about 4,706 km/s.

Illustration from its catalogued shape, not a photograph

Lenticular
type · S0
220 million ly
from Earth · from redshift
55k ly
across
15.6
apparent magnitude
4,706 km/s
receding (RC3)

Because its light is 220 million ly from home, you are seeing IC 1618 as it looked roughly 220 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 1619Lenticular3.0 million ly
apart
NGC 392Elliptical3.5 million ly
apart
NGC 387Elliptical4.7 million ly
apart
NGC 414 NED01Lenticular5.2 million ly
apart
IC 1638Elliptical6.6 million ly
apart
NGC 295Galaxy7.0 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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