NGC 298

NGC 298

NGC 298 is a spiral galaxy in the constellation Cetus about 82 million ly from Earth. It spans roughly 35,000 ly, about 35% of our Milky Way's width. The light reaching us tonight left it about 82 million years ago.

Illustration from its catalogued shape, not a photograph

Spiral
type · Sc
82 million ly
from Earth · from redshift
35k ly
across
16.5
apparent magnitude

Because its light is 82 million ly from home, you are seeing NGC 298 as it looked roughly 82 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 275Barred spiral1.7 million ly
apart
NGC 274Elliptical4.3 million ly
apart
NGC 337Barred spiral5.0 million ly
apart
NGC 157Spiral8.4 million ly
apart
IC 51Lenticular9.3 million ly
apart
NGC 255Barred spiral9.9 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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