NGC 7648

NGC 7648

NGC 7648 is a lenticular galaxy in the constellation Pegasus about 162 million ly from Earth. It spans roughly 74,000 ly, about 74% of our Milky Way's width. It is receding from us at about 3,572 km/s.

Illustration from its catalogued shape, not a photograph

Lenticular
type · S0
162 million ly
from Earth · from redshift
74k ly
across
12.9
apparent magnitude
3,572 km/s
receding (RC3)

Because its light is 162 million ly from home, you are seeing NGC 7648 as it looked roughly 162 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 7610Spiral4.8 million ly
apart
NGC 7608Barred spiral5.0 million ly
apart
NGC 7626Elliptical5.7 million ly
apart
NGC 7611Lenticular9.3 million ly
apart
NGC 7562ASpiral10 million ly
apart
NGC 7623Lenticular10 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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