NGC 6891
| 
Planetary nebula data from NGC 6891  | 
|
|---|---|
| 
 | 
|
| Photo from the Hubble Space Telescope | |
| AladinLite | |
| Constellation | dolphin | 
| 
Position  equinox : J2000.0  | 
|
| Right ascension | 20h 15m 08.8s | 
| declination | + 12 ° 42 ′ 16 ″ | 
| Appearance | |
| Apparent brightness (visual) | +10.5 mag | 
| Apparent brightness (B-band) | +11.7 mag | 
| Angular expansion | 0.35 ′ × 0.35 ′ | 
| Central star | |
| designation | HD 192563 | 
| Physical data | |
| Redshift | +0.000140 | 
| Radial velocity | +42.1 km / s | 
| distance | 7200 ly | 
| history | |
| discovery | Ralph Copeland | 
| Date of discovery | September 22, 1884 | 
| Catalog names | |
| NGC 6891 • PK 54-12.1 • CS 12.4 | |
NGC 6891 is the name of a planetary nebula in the constellation Dolphin . NGC 6891 has an angular extent of 0.35 'and an apparent magnitude of 10.5 mag.
The object was discovered on September 22, 1884 by the Scottish astronomer Ralph Copeland .
Web links
Commons : NGC 6891  - collection of images, videos, and audio files