Berkeley 20

UBV CCD observations

No	Ref	V	BV
0006	275	14.917	0.689
0007	275	15.028	0.877
0008	275	15.152	1.291
0009	275	15.320	0.748
0010	275	15.726	1.071
0011	275	16.181	1.136
0013	275	16.230	0.467
0014	275	15.981	1.027
0015	275	16.349	1.478
0016	275	16.498	0.690
0017	275	16.534	0.736
0018	275	16.562	0.668
0019	275	16.701	0.636
0020	275	16.852	0.361
0021	275	16.904	0.581
0022	275	16.930	1.064
0024	275	16.948	0.424
0025	275	16.918	0.621
0026	275	17.013	1.099
0027	275	17.034	1.050
0029	275	16.815	0.676
0030	275	17.195	1.035
0031	275	17.340	0.996
0032	275	17.415	0.490
0033	275	17.443	1.006
0034	275	17.479	1.496
0036	275	17.490	0.340
0037	275	17.512	1.014
0038	275	17.539	0.882
0040	275	17.365	0.677
0041	275	17.343	1.467
0042	275	17.631	0.867
0043	275	17.681	0.369
0045	275	17.622	1.087
0046	275	17.723	0.810
0048	275	17.715	0.581
0050	275	17.964	0.577
0052	275	17.602	0.961
0053	275	18.001	0.429
0054	275	18.085	0.589
0055	275	18.102	0.662
0056	275	18.115	0.662
0057	275	18.110	1.130
0058	275	18.125	0.613
0059	275	18.123	0.766
0062	275	18.168	0.651
0063	275	18.170	0.666
0067	275	18.223	0.856
0068	275	18.198	0.904
0069	275	18.230	0.635
0070	275	18.204	0.679
0072	275	18.246	0.806
0073	275	18.219	0.612
0075	275	18.201	0.737
0076	275	18.303	0.634
0077	275	18.287	0.674
0078	275	18.304	0.578
0079	275	18.255	0.615
0080	275	18.306	0.840
0081	275	18.302	0.637
0082	275	18.620	0.239
0083	275	18.272	0.635
0084	275	17.858	0.696
0085	275	18.311	0.600
0086	275	18.384	0.589
0087	275	18.377	0.651
0088	275	18.380	0.723
0089	275	18.424	0.612
0090	275	18.064	0.669
0092	275	18.422	0.611
0093	275	18.407	0.729
0094	275	18.467	0.613
0095	275	18.478	0.600
0096	275	18.519	0.631
0097	275	18.502	0.575
0098	275	18.499	0.626
0099	275	18.391	0.937
0101	275	18.456	1.128
0102	275	18.582	0.607
0103	275	18.429	0.899
0104	275	18.617	0.574
0106	275	18.508	0.615
0107	275	18.592	0.616
0108	275	18.675	0.615
0109	275	18.674	0.736
0110	275	19.118	0.132
0111	275	18.682	0.639
0112	275	18.645	1.182
0113	275	18.692	0.590
0114	275	18.407	0.550
0115	275	18.772	0.565
0116	275	18.754	1.558
0119	275	18.778	0.643
0121	275	18.820	0.543
0122	275	18.826	0.598
0123	275	18.803	0.604
0124	275	18.511	0.577
0126	275	18.840	0.599
0127	275	18.999	0.377
0128	275	18.862	0.587
0131	275	18.848	0.553
0133	275	18.845	0.729
0134	275	18.886	0.657
0135	275	18.866	0.451
0137	275	18.934	0.626
0138	275	18.905	0.712
0139	275	18.942	0.555
0141	275	18.893	0.716
0142	275	18.517	0.930
0144	275	18.712	0.837
0146	275	18.970	0.622
0147	275	19.064	0.582
0148	275	19.026	0.660
0149	275	19.035	1.034
0150	275	18.787	0.576
0151	275	19.048	1.382
0152	275	19.085	0.614
0153	275	19.054	0.636
0154	275	18.739	0.843
0156	275	19.083	0.804
0157	275	19.135	0.675
0159	275	19.157	0.854
0163	275	19.169	0.639
0165	275	18.791	0.975
0166	275	19.246	0.634
0170	275	19.236	0.654
0172	275	19.318	0.587
0173	275	19.304	0.607
0174	275	19.333	0.677
0175	275	19.292	0.828
0176	275	19.577	0.351
0178	275	19.389	0.630
0182	275	19.361	0.677
0183	275	19.330	0.863
0185	275	19.292	0.685
0186	275	19.361	1.113
0188	275	19.327	0.756
0189	275	19.487	0.983
0191	275	19.457	0.682
0192	275	19.492	0.667
0193	275	19.431	0.716
0194	275	19.452	0.782
0195	275	19.492	0.619
0196	275	19.502	0.689
0197	275	19.427	0.677
0198	275	18.937	0.696
0199	275	19.447	0.998
0200	275	19.620	0.743
0201	275	19.491	0.669
0202	275	19.539	0.716
0203	275	19.589	0.716
0205	275	19.604	0.731
0206	275	19.273	0.796
0207	275	19.412	0.741
0208	275	19.644	0.683
0209	275	19.621	0.998
0210	275	19.655	0.718
0213	275	19.263	1.021
0214	275	19.561	0.634
0215	275	19.674	0.730
0216	275	19.616	0.798
0218	275	19.650	0.581
0219	275	19.656	1.006
0220	275	19.724	0.748
0221	275	19.717	0.700
0222	275	19.260	0.635
0223	275	19.684	0.688
0224	275	19.698	0.652
0225	275	19.815	0.664
0226	275	19.817	0.737
0227	275	19.764	0.575
0228	275	19.767	0.697
0229	275	19.808	0.704
0231	275	19.819	0.926
0233	275	19.764	0.917
0234	275	19.811	0.720
0235	275	19.551	0.642
0236	275	19.808	0.744
0237	275	19.875	0.703
0238	275	19.857	0.687
0240	275	20.112	0.472
0241	275	19.767	0.751
0242	275	19.845	0.607
0243	275	19.810	0.644
0244	275	19.858	0.645
0245	275	19.905	0.883
0246	275	19.945	0.685
0247	275	19.494	0.803
0250	275	19.889	0.849
0251	275	19.959	0.788
0252	275	19.990	0.679
0253	275	20.000	0.768
0254	275	19.983	0.799
0255	275	19.609	0.730
0256	275	19.860	1.436
0257	275	20.030	0.817
0258	275	19.989	0.996
0260	275	20.012	0.723
0262	275	19.806	0.794
0264	275	20.059	0.550
0266	275	20.138	0.742
0267	275	20.037	0.731
0268	275	19.847	0.599
0270	275	19.972	0.461
0271	275	20.134	0.591
0272	275	19.915	0.813
0273	275	20.030	0.768
0274	275	20.229	0.527
0275	275	20.014	0.689
0276	275	20.105	0.804
0278	275	20.146	0.760
0279	275	20.077	0.647
0280	275	20.065	0.714
0281	275	20.186	0.497
0282	275	20.166	0.692
0283	275	20.125	0.894
0284	275	20.054	0.680
0285	275	20.209	0.638
0286	275	20.194	0.850
0287	275	20.222	0.882
0288	275	20.122	1.010
0289	275	20.192	0.819
0290	275	20.289	0.961
0292	275	20.315	0.953
0293	275	20.308	0.719
0294	275	20.379	0.700
0295	275	20.242	0.733
0296	275	20.341	0.825
0299	275	20.267	0.872
0300	275	20.387	0.873
0301	275	20.411	0.882
0302	275	20.394	1.065
0303	275	20.372	0.803
0304	275	20.605	0.800
0306	275	20.360	0.722
0308	275	20.567	0.951
0310	275	20.509	1.111
0311	275	20.521	0.823
0312	275	20.510	0.668
0313	275	20.603	0.952
0315	275	20.460	0.928
0316	275	20.415	0.685
0318	275	20.618	1.003
0319	275	20.607	0.792
0327	275	20.778	0.792
0328	275	20.673	0.894
0331	275	20.806	0.935
0332	275	20.784	0.921
0336	275	20.914	1.081
0338	275	20.862	0.932
0340	275	20.938	0.831
0343	275	20.221	0.865
0345	275	21.257	0.898
0346	275	21.032	0.810
0347	275	21.064	0.853
0350	275	21.161	0.823
0352	275	21.194	1.211
0354	275	21.126	0.445
0356	275	20.975	0.906
0358	275	21.060	0.813
0360	275	21.108	0.905
0361	275	21.026	1.239
0362	275	21.163	1.296
0363	275	21.175	1.120
0364	275	21.117	0.957
0369	275	21.304	0.751
0375	275	21.416	0.853
0378	275	21.347	1.071
0382	275	21.469	1.144
0384	275	21.624	0.659
0385	275	21.321	0.713
0386	275	21.556	0.876
0391	275	21.434	1.026
0393	275	21.558	0.704
0395	275	21.592	0.890
0407	275	21.017	0.946