CCD UBVRI Photometry of the Galactic open clusters: Be~89, Ru~135, and Be~10

Inci Akkaya, William J. Schuster, Raul Michel +4

The fundamental parameters of reddening, metallicity, age, and distance are presented for the poorly studied open clusters Be~89, Ru~135, and Be~10, derived from their CCD UBVRI ph…