NGC 6823
Number of stars per data source
Reference 25 : 3 stars
Reference 51 : 14 stars
Reference 56 : 104 stars
References
- 25
- Zug R.S.
- (1933) Lick Obs. Bull. 16, 119
- An investigation of color excess in galactic star clusters
-
- 51
- Cannon A.J., Mayall W.M.
- 1949) Ann. Harvard Coll. Obs. 112
- Henry Draper extension 2
-
- 56
- Kuznetsov V.I.
- (1981) Astrometriia i Astrofizika 45, 53
- Spectral classification of stars up to 15.0m around the cluster NGC 6823
-