NGC 108

NGC 108

NGC 108 is a lenticular galaxy in the constellation Andromeda about 222 million ly from Earth. It spans roughly 110,000 ly, about the width of our Milky Way. It is receding from us at about 4,749 km/s.

Illustration from its catalogued shape, not a photograph

Lenticular
type · S0-a
222 million ly
from Earth · from redshift
109k ly
across
13.3
apparent magnitude
4,749 km/s
receding (RC3)

Because its light is 222 million ly from home, you are seeing NGC 108 as it looked roughly 222 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 97Elliptical3.9 million ly
apart
NGC 149Lenticular8.9 million ly
apart
NGC 43Lenticular13 million ly
apart
NGC 39Spiral14 million ly
apart
IC 43Spiral15 million ly
apart
NGC 243Lenticular18 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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