NGC 6994
Number of stars per data source
Reference 225 : 144 stars
Reference 261 : 146 stars
References
- 225
- Bassino L.P., Waldhausen S., Martinez R.E.
- (2000) Astron. Astrophys. 355, 138
- CCD photometry in the region of NGC 6994: the remains of an old open cluster
- 2000A&A...355..138B
- 261
- Carraro G.
- (2000) Astron. Astrophys. 357, 145
- NGC 6994: An open cluster which is not an open cluster
- 2000A&A...357..145C