Table 2: CCD data of stars in the field of NGC 1768.

Star (pixel) (pixel) (mag) (mag) (mag) (mag)

111493.4801187.27116.6630.002−0.1970.0042
121685.7431275.26016.6050.002−0.2260.0042
131874.385611.42116.6610.0020.6080.0032