NGC 7778

NGC 7778

NGC 7778 is an elliptical galaxy in the constellation Pisces about 245 million ly from Earth. It spans roughly 73,000 ly, about 73% of our Milky Way's width. It is receding from us at about 5,238 km/s.

Illustration from its catalogued shape, not a photograph

Elliptical
type · E
245 million ly
from Earth · from redshift
73k ly
across
12.8
apparent magnitude
5,238 km/s
receding (RC3)

Because its light is 245 million ly from home, you are seeing NGC 7778 as it looked roughly 245 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 7782Barred spiral4.6 million ly
apart
NGC 7780Spiral4.8 million ly
apart
NGC 7779Lenticular7.0 million ly
apart
NGC 7802Lenticular11 million ly
apart
NGC 7816Barred spiral11 million ly
apart
NGC 7794Spiral13 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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