NGC 2447
Number of stars per data source
Reference 1 : 2 stars
Reference 71 : 105 stars
Reference 128 : 20 stars
References
- 1
- Egret D.
- (1986) Private Communication
- Coordinates from SIMBAD (mainly SAO)
-
- 71
- Mermilliod J.-C.
- (1988)
- Positions measured with the Hipad tablet
-
- 128
- Lasker B.M., Russel J.N., Jenkner H., Sturch C.R., McLean B.J., Shara M.M.
- (1990) Astron. J. 99, 2019
- The HST guide star catalogue, version 1.0
- 1990AJ.....99.2019L