NGC 6940
Number of stars per data source
Reference 2 : 54 stars
Reference 32 : 164 stars
References
- 2
- Hoag A.A., Johnson H.L., Iriarte B., Mitchell R.I., Hallam K.L., Sharpless S.
- (1961) Publ. Us. Nav. Obs. XVII part VII, 347
- Photometry of stars in galactic cluster fields
-
- 32
- Larsson-Leander G.
- (1960) Stockholm Ann. Obs. 20 no 9
- A study of the galactic cluster NGC 6940
-