NGC 2421

Number of stars per data source

	Reference   42 :   98 stars
	Reference  373 : 1209 stars

References

 42
Ramsay G., Pollaco D.L.
(1992) Astron. Astrophys. Suppl. 94, 73
CCD observations of 7 southern open clusters: NGC 2421, NGC 2439, NGC 2489, NGC 2567, NGC 2627, NGC 2658 and NGC 2910
1992A&AS...94...73R
 373
Yadav R.Q.S., Sagar R.
(2004) Mon. Not. R. Astron. Soc. 351, 667
A comprehensive CCD photometric study of the open cluster NGC 2421
2004MNRAS.351..667Y