Ruprecht 20

UBV photoelectric photometry

NoRefVBVUBN
00014348.81+0.30+0.115
000243411.59+1.04+0.772
000343411.65+1.57+1.762
000443411.69+1.57+2.012
000543411.79+1.28+1.192
000643412.58+0.21+0.202
000743411.69+0.19+0.192
000843412.12+0.45+0.202
000943412.07+0.06-0.112
001043412.36+0.62+0.032
001143413.84+0.440.002