NGC 257
NGC 257
Illustration from its catalogued shape, not a photograph
Spiral
type · Sc
245 million ly
from Earth · from redshift
131k ly
across
12.6
apparent magnitude
Because its light is 245 million ly from home, you are seeing NGC 257 as it looked roughly 245 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 250Lenticular2.1 million ly
apartIC 55Spiral4.9 million ly
apartNGC 180Spiral11 million ly
apartIC 1592Barred spiral13 million ly
apartNGC 332Elliptical13 million ly
apartIC 1564Spiral14 million ly
apart
Worlds in the same direction on the sky→apartIC 55Spiral4.9 million ly
apartNGC 180Spiral11 million ly
apartIC 1592Barred spiral13 million ly
apartNGC 332Elliptical13 million ly
apartIC 1564Spiral14 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).