Markarian 50

Number of stars per data source

	Reference  128 :    2 stars
	Reference  191 :   64 stars
	Reference  441 : 1036 stars

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
191: Skiff B.; (1998) Priv. Comm.; Coordinates from the GSC and USNO-A1.0 catalogues in the field of open clusters
441: Baume G., Vazquez R.A., Carraro G.; (2004) Mon. Not. R. Astron. Soc. 355, 475; The young open cluster Markarian 50; 2004MNRAS.355..475B