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Published online by Cambridge University Press: 19 July 2016
About 30 deep B and V CCD images, obtained at the 3.6 m ESO telescope, with the EFOSC in the focal reducer option, have been used to obtain color-magnitude diagrams and luminosity functions for the main sequence of the globular clusters ω Cen and NGC 3201. Two fields per cluster, at different distances from the center (25′ − 30′ for ω Cen and 7′.5 − 9′ for NGC 3201) were observed and separately reduced.