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BVR observations for 52 standard stars were performed using the 1-m reflecter with 2K CCD System of Chungbuk National University Observatory(CBNUO) in 2008. We obtained 1,322 CCD images to establish a correlation between our bvr system and the standard Johnson-Cousins BVR system. We derived the tentative equations of transformation between then as follows;\udV = v-0.0303(B-V)+0.0466\ud\udB-V = 1.3475(b-v)-0.0251\ud\udV-R = 1.0641(v-r)-0.0125\ud\udUsing these equations the magnitudes in V, B-V, and V-R for 197 stars were obtained

BVR Standardization of the CCD Photometric System of Chungbuk National University Observatory