Czernik 19

Number of stars per data source

	Reference  389 :   62 stars
	Reference  495 :  619 stars

389: Hasegawa T., Malasan H.L., Kawakita H., Obayashi H., Kurabayashi T., Nakai T., Hyakkai M., Arimoto N.; (2004) Publ. Astron. Soc. Japan 56, 295; New photometric data of old open clusters in the anti-galactic center region; 2004PASJ...56..295H
495: Maciejewski G., Niedzielski A.; (2007) Astron. Astrophys. 467, 1065; CCD BV survey of 42 open clusters; 2007A&A...467.1065M