NGC 1723
NGC 1723
Illustration from its catalogued shape, not a photograph
Spiral
type · Sa
174 million ly
from Earth · from redshift
154k ly
across
12.0
apparent magnitude
Because its light is 174 million ly from home, you are seeing NGC 1723 as it looked roughly 174 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 1728Spiral2.3 million ly
apartNGC 1725Elliptical8.0 million ly
apartNGC 1752Spiral11 million ly
apartNGC 1821Irregular16 million ly
apartIC 401Barred spiral18 million ly
apartNGC 1730Spiral18 million ly
apart
Worlds in the same direction on the sky→apartNGC 1725Elliptical8.0 million ly
apartNGC 1752Spiral11 million ly
apartNGC 1821Irregular16 million ly
apartIC 401Barred spiral18 million ly
apartNGC 1730Spiral18 million ly
apart
Source: structural data (position, morphology, brightness, redshift) from OpenNGC (CC BY-SA). Distance computed by gravityfinder from redshift via Hubble's law (H0 = 70 km/s/Mpc).