NGC 1703

NGC 1703

NGC 1703 is a barred spiral galaxy in the constellation Dorado about 71 million ly from Earth. It spans roughly 56,000 ly, about 56% of our Milky Way's width. It is receding from us at about 1,526 km/s.

Illustration from its catalogued shape, not a photograph

Barred spiral
type · SBb
71 million ly
from Earth · from redshift
56k ly
across
11.7
apparent magnitude
1,526 km/s
receding (RC3)

Because its light is 71 million ly from home, you are seeing NGC 1703 as it looked roughly 71 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 1853Barred spiral6.4 million ly
apart
IC 2049Spiral7.1 million ly
apart
NGC 1596Lenticular7.3 million ly
apart
NGC 1602Barred spiral7.5 million ly
apart
NGC 1566Spiral8.1 million ly
apart
NGC 1581Elliptical8.5 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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