NGC 581

Number of stars per data source

	Reference   95 :    5 stars
	Reference  146 :   15 stars

References

 95

Wyrzykowski L., Pietrzynski G., Szewczyk O.

(2002) Acta Astron. 52, 105

Variable stars in the field of young open cluster NGC 581

2002AcA....52..105W

 146

Lee H., Kim S.-L., Kim H.-J., Jeon Y.-B., Park H.-S.

(2005) Inf. Bull. Var. Stars No. 5656

New Variable Stars in the Open Cluster M103 (NGC581)

2005IBVS.5656....1L