Pismis 23

Number of stars per data source

	Reference  311 :  627 stars
	Reference  434 : 1459 stars

311: Piatti A.E., Claria J.J.; (2002) Astron. Astrophys. 388, 179; Two highly reddened young open clusters located beyond the Sagittarius arm; 2002A&A...388..179P
434: Ortolani S., Bica E., Barbuy B., Momany Y.; (2002) Astron. Astrophys. 390, 931; The very reddened open clusters Pismis 23 (Lynga 10) and Stephenson 2; 2002A&A...390..931O