IC 1551

IC 1551

IC 1551 is a barred spiral galaxy in the constellation Pisces about 611 million ly from Earth. It spans roughly 430,000 ly, about 4.3 times the width of our Milky Way. It is receding from us at about 13,170 km/s.

Illustration from its catalogued shape, not a photograph

Barred spiral
type · SBc
611 million ly
from Earth · from redshift
430k ly
across
14.9
apparent magnitude
13,170 km/s
receding (RC3)

Because its light is 611 million ly from home, you are seeing IC 1551 as it looked roughly 611 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 190 NED02Elliptical39 million ly
apart
NGC 190 NED01Spiral48 million ly
apart
NGC 139Barred spiral51 million ly
apart
IC 1549Lenticular51 million ly
apart
IC 1568Lenticular55 million ly
apart
IC 1566Elliptical57 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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