NGC 2420
Number of stars per data source
Reference 128 : 33 stars
Reference 280 : 183 stars
References
- 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
- 280
- Stetson P.B.
- (2000) Publ. Astron. Soc. Pacific 112, 925
- Homogeneous photometry for star clusters and resolved galaxies. II. Photometric standard stars
- 2000PASP..112..925S