NGC 3657
NGC 3657
Illustration from its catalogued shape, not a photograph
Spiral
type · SABc
57 million ly
from Earth · from redshift
16k ly
across
13.2
apparent magnitude
Because its light is 57 million ly from home, you are seeing NGC 3657 as it looked roughly 57 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 3733Spiral2.8 million ly
apartNGC 3631Spiral3.0 million ly
apartNGC 3756Spiral4.1 million ly
apartNGC 3850Spiral5.0 million ly
apartNGC 3898Spiral5.0 million ly
apartIC 691Lenticular6.2 million ly
apart
Worlds in the same direction on the sky→apartNGC 3631Spiral3.0 million ly
apartNGC 3756Spiral4.1 million ly
apartNGC 3850Spiral5.0 million ly
apartNGC 3898Spiral5.0 million ly
apartIC 691Lenticular6.2 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).