Berkeley 71

Number of stars per data source

	Reference  433 : 1091 stars
	Reference  495 :  790 stars

433: Lata S., V. Mohan, R. Sagar; (2004) Bull. Astr. Soc. India 32, 371; CCD photometry of the galactic star clusters Be 15, Be 71 and King 1; 2004BASI...32..371L
495: Maciejewski G., Niedzielski A.; (2007) Astron. Astrophys. 467, 1065; CCD BV survey of 42 open clusters; 2007A&A...467.1065M