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pro vyhledávání: '"E. V. Glushkhova"'
Autor:
R. K. S. Yadav, A. V. Porokhova, E. V. Glushkhova, Brijesh Kumar, Devesh Path Sariya, Ram Sagar
Publikováno v:
Monthly Notices of the Royal Astronomical Society. 414:652-658
We present UBVI CCD photometry in the region of the open clusters Koposov 12, Koposov 53 and Koposov 77. The optical CCD data for these clusters are obtained for the first time. The radii are found to be 4.6, 4.2 and 2.4 arcmin. The reddenings E(B−