NGC 957
|
|
| AladinLite | |
| Constellation | Perseus |
|
Position equinox : J2000.0 |
|
|---|---|
| Right ascension | 02 h 33 m 21.0 s |
| declination | + 57 ° 33 ′ 36 ″ |
| Appearance
|
|
| classification | III 2 p |
| Brightness (visual) | 7.6 likes |
| Brightness (B-band) | 8.34 likes |
| Angular expansion | 10 ' |
| Redness ( excess color E (BV)) | 0.813 |
| Physical data
|
|
| Redshift | −0.000132 +/- 0.000013 |
| Radial velocity | −39.50 km / s |
| distance | 5920 ly (1815 pc ) |
| history | |
| Discovered by | John Herschel |
| Discovery time | December 9, 1831 |
| Catalog names | |
| NGC 957 • C 0230 + 573 • OCl 362 • Cr 28 • Lund 84 • GC 553 • h 227 | |
NGC 957 is an open cluster of Trumpler type in the constellation Perseus in the northern sky . It has a brightness of 7.6 mag and a diameter of 10 arc minutes .
The object was discovered on December 9, 1831 by the British astronomer John Herschel .
Web links
Commons : NGC 957 - collection of images, videos, and audio files
Individual evidence