IC 4657
| Unknown | |
|---|---|
| IC 4657 | |
| Constellation | Snake bearer |
|
Position equinox : J2000.0 |
|
| Right ascension | 17h 34m 42.6s |
| declination | -17 ° 31 ′ 29 ″ |
| Further data | |
| history | |
| discovery |
Edward Emerson Barnard |
| Catalog names | |
| IC 4657 • | |
| Aladin previewer | |
IC 4657 is a non-existent object that the astronomer Edward Emerson Barnard incorrectly described as an IC object.