Haffner 15

Number of stars per data source

	Reference  128 :   10 stars
	Reference  555 : 3076 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
555: Carraro G., Beletsky Y., Marconi G.; (2013) Mon. Not. R. Astron. Soc. 428, 502; Five old open clusters more in the outer Galactic disc; 2013MNRAS.428..502C