NGC 7805

NGC 7805

NGC 7805 is a lenticular galaxy in the constellation Pegasus about 225 million ly from Earth. It spans roughly 93,000 ly, about the width of our Milky Way. It is receding from us at about 4,850 km/s.

Illustration from its catalogued shape, not a photograph

Lenticular
type · S0
225 million ly
from Earth · from redshift
93k ly
across
13.3
apparent magnitude
4,850 km/s
receding (RC3)

Because its light is 225 million ly from home, you are seeing NGC 7805 as it looked roughly 225 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 7806Spiral56,000 ly
apart
NGC 7819Barred spiral7.3 million ly
apart
NGC 39Spiral9.3 million ly
apart
NGC 19Barred spiral9.8 million ly
apart
NGC 7836Elliptical10 million ly
apart
NGC 13Barred spiral10 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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