| NGC 256 | |
|---|---|
NGC 256 with DECam | |
| Observation data (J2000 epoch) | |
| Right ascension | 00h 45m 54.11s |
| Declination | −73° 30′ 23.9″ |
| Apparent magnitude (V) | 12.50 |
| Apparent dimensions (V) | 0.9′ × 0.9′ |
| Physical characteristics | |
| Mass | 1.3×103 M☉ |
| Estimated age | 83 Myr |
| Other designations | Kron 23, ESO 29-SC11 |
| Associations | |
| Constellation | Tucana |
NGC 256 (also known as ESO 29-SC11) is open cluster in the constellation Tucana. It was discovered by John Frederick William Herschel on April 11, 1834.