NGC 6856
| Asterism | |
|---|---|
| NGC 6856 | |
| Constellation | swan | 
| 
Position  equinox : J2000.0  | 
|
| Right ascension | 19h 59m 17.1s | 
| declination | + 56 ° 07 ′ 51 ″ | 
| Further data | |
| Angular expansion | 
 3.0 '  | 
| distance | 
 5550 ly (1704 pc)  | 
| history | |
| discovery | 
 John Herschel  | 
| Date of discovery | 
 September 24, 1829  | 
| Catalog names | |
| NGC 6856 • h 2063 • GC 4535 | |
| Aladin previewer | |
NGC 6856 is an asterism in the constellation Cygnus . It was discovered by John Herschel on September 24, 1829 while observing with an 18-inch reflector telescope.
Individual evidence
- ↑ NASA / IPAC EXTRAGALACTIC DATABASE
 - ↑ SEDS : NGC 6856
 - ↑ AL Tadross: A catalog of 120 NGC open star cluster . In: Journal of the Korean Astronomical Society , 44, 2011, pp. 1-11. doi: 10.5303 / JKAS.2011.44.1.1 .
 - ↑ Seligman