NGC 7743

NGC 7743

NGC 7743 is a lenticular galaxy in the constellation Pegasus about 79 million ly from Earth. It spans roughly 60,000 ly, about 60% of our Milky Way's width. It is receding from us at about 1,722 km/s.

Illustration from its catalogued shape, not a photograph

Lenticular
type · S0-a
79 million ly
from Earth · from redshift
60k ly
across
12.4
apparent magnitude
1,722 km/s
receding (RC3)

Because its light is 79 million ly from home, you are seeing NGC 7743 as it looked roughly 79 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 7742Barred spiral2.1 million ly
apart
NGC 7800Irregular8.5 million ly
apart
NGC 7625Spiral13 million ly
apart
NGC 7497Spiral16 million ly
apart
NGC 7454Elliptical23 million ly
apart
NGC 7464Elliptical24 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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