Berkeley 67

Number of stars per data source

	Reference  368 :  444 stars
	Reference  495 :  653 stars

368: Lata S., Mohan V., Pandey A.K., Sagar R.; (2004) Bull. Astr. Soc. India 32, 59; CCD photometry of the unstudied galactic clusters Be 10, Be 67 and To 5; 2004BASI...32...59L
495: Maciejewski G., Niedzielski A.; (2007) Astron. Astrophys. 467, 1065; CCD BV survey of 42 open clusters; 2007A&A...467.1065M