CCD photometry of the globular cluster M 92 in the Vilnius photometric system - Eastern area

Six-color CCD photometry of 150 stars in the Vilnius photometric system down to V = 17.5 mag has been obtained in an area of the globular cluster M 92. The center of this area is 6 arcmin to the east from the cluster center, its size is 9.6 x 9.6 arcmin. A brief outline of the data pathway from observations to reduction via IRAF is described. Color indices of the cluster stars are compared with those of the field giants with similar metal-deficiency and the field blue horizontal-branch stars. We demonstrate the possibility of the Vilnius system to separate foreground stars from members of the globular cluster: eight stars are identified as solar metallicity G-K dwarfs of the foreground. Some discussion about standard stars in CCD photometry is given. (Author)