NGC 6520
Number of stars per data source
Reference 128 : 4 stars
Reference 470 : 8261 stars
Reference 557 : 468 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
- 470
- Carraro G., Mendez R.A., May J., Mardones D.
- (2005) Astron. J. 130, 635
- The open cluster NGC 6520 and the nearby dark molecular cloud Barnard 86
- 2005AJ....130..635C
- 557
- Odell A.P.
- (2014) Astron. J. 147, 7
- A New Look at Open Cluster NGC 6520
- 2014AJ....147....7O