NGC 6910 | |
---|---|
Observation data (J2000 epoch) | |
Right ascension | 20h 23m 08s[1] |
Declination | +40° 46′ 30″[1] |
Distance | 3,710 ly (1,139 pc[2]) |
Apparent magnitude (V) | 7.4 [1] |
Apparent dimensions (V) | 10' |
Physical characteristics | |
Mass | 207[3] M☉ |
Estimated age | 7[4] – 13 million years[2] |
Part of Cygnus OB9 | |
Other designations | OCl 181 |
Associations | |
Constellation | Cygnus |
NGC 6910 is an open cluster in the constellation Cygnus. It was discovered by William Herschel on October 17, 1786. The cluster was also observed by John Herschel on September 18, 1828. It is a poor cluster with prominent central concentration and Trumpler class I2p.[5] NGC 6910 is the core cluster of the stellar association Cygnus OB9.[6]