NGC 2820

NGC 2820

NGC 2820 is a barred spiral galaxy in the constellation Ursa Major about 65 million ly from Earth. It spans roughly 71,000 ly, about 71% of our Milky Way's width. It is receding from us at about 1,581 km/s.

Illustration from its catalogued shape, not a photograph

Barred spiral
type · SBc
65 million ly
from Earth · from redshift
71k ly
across
12.8
apparent magnitude
1,581 km/s
receding (RC3)

Because its light is 65 million ly from home, you are seeing NGC 2820 as it looked roughly 65 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 2820ASpiral1.5 million ly
apart
NGC 2768Elliptical5.0 million ly
apart
NGC 2654Barred spiral6.6 million ly
apart
NGC 2950Lenticular6.8 million ly
apart
NGC 2880Elliptical7.0 million ly
apart
NGC 2742Spiral7.1 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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