NGC 545

NGC 545

NGC 545 is an elliptical galaxy in the constellation Cetus about 249 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 5,318 km/s.

Illustration from its catalogued shape, not a photograph

Elliptical
type · E-S0
249 million ly
from Earth · from redshift
218k ly
across
13.3
apparent magnitude
5,318 km/s
receding (RC3)

Because its light is 249 million ly from home, you are seeing NGC 545 as it looked roughly 249 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 538Barred spiral1.4 million ly
apart
NGC 519Elliptical2.3 million ly
apart
NGC 548Elliptical2.8 million ly
apart
NGC 543Elliptical3.5 million ly
apart
NGC 541Elliptical4.0 million ly
apart
NGC 560Lenticular7.1 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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