NGC 2244
Number of stars per data source
Reference 5 : 21 stars
References
5
Perez M.R., The P.S., Westerlund B.E.
(1987) Publ. Astron. Soc. Pacific 99, 1050
On the distance to the young open clusters NGC 2244 and NGC 2264
1987PASP...99.1050P