NGC 6520

UBV CCD observations

No	Ref	V	BV	UB
0031	32	12.162	0.283	-0.044
0032	32	11.239	0.282	-0.647
0033	32	14.061	0.441	0.369
0035	32	13.916	0.503	0.363
0036	32	13.656	0.406	0.293
0037	32	13.489	0.327	0.081
0038	32	13.128	1.909	2.398
0050	32	14.704	0.680	0.170
0057	32	14.745	0.621	0.394
0058	32	12.633	0.315	-0.028
0091	32	14.824	0.664	0.282
0100	32	14.040	1.367	1.061
0101	32	13.549	0.466	0.199
0102	32	13.988	0.624	0.336
0103	32	14.466	0.728	0.313
0104	32	15.150	0.730	0.306
0105	32	14.888	0.686	0.301
0106	32	14.434	0.670	0.397
0107	32	13.208	0.384	0.078
0108	32	11.640	0.278	-0.366
0109	32	14.125	1.562	1.601
0110	32	11.830	0.440	-0.091
0111	32	12.685	0.343	-0.024
0112	32	12.444	0.317	-0.159
0113	32	14.659	0.624	0.426
0114	32	13.994	0.602	0.397
0115	32	10.849	0.454	1.038
0116	32	14.524	0.711	0.336
0117	32	13.675	0.488	0.349
0118	32	12.055	0.289	-0.295
0119	32	13.508	0.503	0.398
0120	32	13.303	0.477	0.394
0121	32	13.748	0.612	0.399
0122	32	12.120	0.324	-0.096
0123	32	11.646	0.691	0.434
0124	32	11.331	0.422	-0.490
0125	32	13.761	0.755	0.398
0126	32	13.407	1.411	1.313
0127	32	11.980	0.303	-0.188
0129	32	12.554	0.404	0.107
0130	32	14.517	0.545	0.421
0132	32	11.488	0.359	-0.342
0133	32	14.870	0.637	0.402
0136	32	13.248	0.448	0.166
0138	32	13.078	0.538	0.528
0139	32	12.370	0.419	0.154
0140	32	12.340	0.354	-0.133
0141	32	11.284	0.421	-0.493
0142	32	12.063	0.368	-0.140
0144	32	12.876	0.346	0.129
0145	32	12.047	0.191	-0.340
0500	32	16.931	2.339	-0.355
0501	32	15.939	1.977	-0.411
0502	32	17.812	1.269	0.002
0503	32	18.273	1.119	-0.150
0504	32	15.941	1.969	-0.412
0505	32	16.923	1.994	0.040
0506	32	16.344	1.825	0.346
0507	32	18.126	1.241	-0.306
0508	32	16.405	1.013	0.268
0509	32	15.425	1.599	1.790
0510	32	16.660	2.393	0.128
0511	32	14.120	2.027	2.087
0512	32	14.790	0.811	0.356
0513	32	17.160	1.807	0.312
0514	32	17.593	1.809	0.013
0515	32	18.163	1.190	0.006
0516	32	18.618	1.230	-0.428
0517	32	17.228	1.836	-0.191
0518	32	17.015	2.079	0.089
0519	32	15.115	0.891	0.354
0520	32	17.240	1.488	0.526
0521	32	15.458	1.566	0.723
0522	32	16.931	1.083	0.145
0523	32	17.008	1.598	0.118
0524	32	17.323	1.102	0.453
0525	32	17.574	2.022	0.102
0526	32	17.680	2.042	0.161
0527	32	17.699	1.140	1.109
0528	32	17.084	1.891	0.080
0529	32	17.942	1.225	0.030
0530	32	18.467	1.644	-0.633
0531	32	17.649	1.734	-0.497
0532	32	18.178	1.145	-0.129
0533	32	15.668	1.646	0.780
0534	32	18.048	1.913	-0.232
0535	32	16.569	2.140	0.097
0536	32	17.196	1.987	0.457
0537	32	17.623	1.714	0.095
0538	32	17.084	1.900	0.266
0539	32	18.004	1.039	0.046
0540	32	18.052	2.033	1.191
0541	32	17.604	1.195	0.399
0542	32	17.232	1.341	0.274
0543	32	17.694	1.988	-0.415
0544	32	16.606	2.107	0.041
0545	32	15.129	0.713	0.262
0546	32	15.988	1.138	0.331
0547	32	17.777	1.305	0.342
0548	32	17.064	1.105	0.075
0549	32	14.077	2.031	1.566
0550	32	16.814	2.051	0.073
0551	32	18.693	1.597	-0.755
0552	32	18.420	1.239	-0.471
0553	32	17.041	1.286	0.751
0554	32	16.991	2.133	1.489
0555	32	16.922	1.025	0.369
0556	32	15.324	1.719	1.257
0557	32	18.100	1.608	0.932
0558	32	17.115	1.386	0.701
0559	32	16.834	1.085	0.749
0560	32	17.739	1.857	0.096
0561	32	18.335	1.619	0.158
0562	32	16.993	2.316	1.669
0563	32	18.042	1.286	-0.296
0564	32	16.472	1.838	1.735
0565	32	17.184	1.966	-0.245
0566	32	16.967	1.006	0.296
0567	32	17.028	1.780	0.490
0568	32	17.562	1.015	0.248
0569	32	16.613	2.275	-0.431
0570	32	17.605	1.881	0.430
0571	32	15.973	1.070	0.390
0572	32	17.062	2.109	-0.107
0573	32	16.538	1.814	0.268
0574	32	17.171	1.140	0.097
0575	32	16.359	2.152	1.512
0576	32	17.369	1.841	1.039
0577	32	18.607	1.098	-0.349
0578	32	18.133	1.256	1.955
0579	32	17.510	1.069	0.067
0580	32	16.347	1.118	1.125
0581	32	15.259	0.733	0.284
0582	32	16.987	1.991	0.002
0583	32	17.650	1.044	0.157
0584	32	16.911	0.953	0.041
0585	32	15.999	1.666	1.863
0586	32	17.264	1.341	0.227
0587	32	16.842	2.189	-0.639
0588	32	15.995	0.872	0.310
0589	32	18.113	1.980	0.436
0590	32	17.433	1.058	0.041
0591	32	18.003	1.880	-0.276
0592	32	18.577	1.288	0.055
0593	32	17.763	2.018	0.024
0594	32	18.215	1.174	0.185
0595	32	18.418	1.224	0.639
0596	32	17.175	2.149	-0.316
0597	32	17.745	1.813	0.111
0598	32	18.946	1.127	-0.467
0599	32	18.255	1.530	1.158
0600	32	17.123	1.125	0.149
0601	32	18.263	1.172	-0.441
0602	32	16.074	2.106	1.257
0603	32	17.543	1.538	-0.773
0604	32	17.321	1.077	0.524
0605	32	15.699	0.906	0.340
0606	32	18.425	1.061	-0.381
0607	32	17.807	1.198	0.933
0608	32	13.186	0.444	0.227
0609	32	17.516	1.566	1.244
0610	32	17.512	1.746	0.069
0611	32	18.251	1.224	-0.418
0612	32	18.297	1.154	-0.331
0613	32	16.550	2.095	1.618
0614	32	17.515	2.217	-0.393
0615	32	17.403	1.946	-0.330
0616	32	15.087	0.689	0.416
0617	32	18.319	1.533	-0.657
0618	32	18.204	0.861	-0.464
0619	32	15.437	0.804	0.253
0620	32	16.175	1.904	0.369
0621	32	17.238	1.699	0.004
0622	32	16.830	1.634	-0.338
0623	32	18.566	1.371	-0.291
0624	32	17.668	1.408	0.453
0625	32	17.410	1.252	0.042
0626	32	17.915	1.157	-0.061
0627	32	18.274	1.752	-0.279
0628	32	17.932	1.873	0.148
0629	32	16.278	1.624	1.025
0630	32	18.143	1.139	-0.657
0631	32	16.241	1.483	1.121
0632	32	18.076	1.216	-0.623
0633	32	16.833	1.277	0.211
0634	32	18.062	1.275	0.718
0635	32	17.722	1.024	1.144
0636	32	17.161	1.098	0.262
0637	32	16.906	2.039	-0.371
0638	32	17.348	2.065	-0.368
0639	32	18.522	0.969	-0.147
0640	32	17.636	2.198	-0.369
0641	32	17.644	1.819	-0.567
0642	32	15.571	0.792	0.355
0643	32	16.549	2.107	0.075
0644	32	17.021	2.106	1.403
0645	32	17.349	1.994	1.109
0646	32	14.302	0.662	0.405
0647	32	17.047	1.124	-0.113
0648	32	17.524	1.436	-0.667
0649	32	18.920	1.175	-0.591
0650	32	18.298	1.383	-0.057
0651	32	17.852	1.242	0.615
0652	32	15.377	0.800	0.219
0653	32	16.576	0.974	0.265
0654	32	16.946	1.759	-0.034
0655	32	16.843	1.233	0.567
0656	32	17.938	1.555	-0.051
0657	32	17.576	1.759	0.964
0658	32	17.104	2.234	0.570
0659	32	15.110	2.310	2.089
0660	32	17.762	1.114	-0.570
0661	32	15.437	0.773	0.278
0662	32	17.493	1.921	-0.183
0663	32	14.503	0.647	0.341
0664	32	16.856	2.232	1.380
0665	32	16.992	1.577	0.603
0666	32	17.470	1.190	1.397
0667	32	16.685	1.014	0.535
0668	32	18.212	1.412	0.794
0669	32	14.109	0.466	0.326
0670	32	18.284	1.114	0.865
0671	32	16.503	0.964	0.448
0672	32	16.486	0.884	0.244
0673	32	17.678	1.325	0.777
0674	32	16.466	1.843	2.195
0675	32	18.671	1.448	-0.462
0676	32	18.223	1.090	-0.332
0677	32	16.088	2.039	1.765
0678	32	16.584	1.296	-0.053
0679	32	17.767	1.649	-0.501
0680	32	16.489	1.992	1.537
0681	32	16.934	1.186	0.001
0682	32	17.687	1.050	1.310
0683	32	17.267	1.447	-0.046
0684	32	17.812	1.143	-0.561
0685	32	17.502	1.955	-0.601
0686	32	14.600	0.799	0.336
0687	32	18.607	1.124	0.771
0688	32	17.930	1.623	-0.316
0689	32	17.481	0.999	0.097
0690	32	16.891	1.122	0.390
0691	32	18.038	1.218	0.088
0692	32	17.553	1.867	-0.201
0693	32	16.078	0.803	0.250
0694	32	16.218	2.109	2.038
0695	32	17.094	1.106	1.199
0696	32	16.931	1.602	-0.273
0697	32	16.127	2.260	2.638
0698	32	16.793	1.007	0.688
0699	32	15.212	0.766	0.396
0700	32	17.203	1.078	0.232
0701	32	16.712	1.019	0.772
0702	32	16.453	0.893	0.484
0703	32	15.025	0.808	0.249
0704	32	16.422	2.255	-0.122
0705	32	18.678	1.455	-0.361
0706	32	18.115	1.838	0.061
0707	32	18.067	1.239	0.032
0708	32	17.499	1.909	-0.131
0709	32	18.798	1.146	-0.597
0710	32	17.605	1.923	1.021
0711	32	17.239	1.056	0.969
0712	32	16.845	1.000	0.763
0713	32	14.694	2.226	2.244
0714	32	13.744	0.459	0.362
0715	32	17.258	1.069	0.566
0716	32	17.199	1.050	-0.086
0717	32	18.476	1.262	-0.564
0718	32	16.830	1.562	1.340
0719	32	17.819	1.636	-0.698
0720	32	18.429	1.247	1.285
0721	32	17.890	1.562	-0.646
0722	32	15.331	1.674	2.020
0723	32	16.860	2.119	0.115
0724	32	15.946	0.878	0.345
0725	32	17.271	2.002	-0.627
0726	32	15.909	1.008	0.301
0727	32	16.800	1.102	0.299
0728	32	15.612	0.764	0.380
0729	32	17.351	1.766	-0.049
0730	32	16.380	0.973	0.377
0731	32	17.109	0.763	0.112
0732	32	17.901	1.206	0.016
0733	32	15.891	1.996	0.619
0734	32	17.088	1.842	1.934
0735	32	18.251	1.274	0.100
0736	32	13.797	1.570	1.528
0737	32	16.601	1.577	0.444
0738	32	17.748	1.156	1.839
0739	32	18.401	1.120	0.053
0740	32	17.520	1.886	-0.610
0741	32	17.553	1.511	0.200
0742	32	18.269	1.391	-0.181
0743	32	15.560	1.600	1.392
0744	32	17.905	1.805	-0.646
0745	32	17.309	2.066	0.140
0746	32	17.783	1.689	-0.355
0747	32	18.321	1.310	-0.391
0748	32	17.497	1.042	0.940
0749	32	17.588	1.864	0.142
0750	32	17.004	1.810	0.130
0751	32	16.958	1.908	-0.277
0752	32	15.958	1.045	0.400
0753	32	16.547	0.854	0.480
0754	32	16.384	2.089	0.277
0755	32	16.862	0.964	0.196
0756	32	16.556	1.272	1.078
0757	32	17.791	1.984	0.340
0758	32	16.560	0.759	0.432
0759	32	11.234	0.291	-0.637
0760	32	17.980	1.171	-0.679
0761	32	17.221	1.081	0.003
0762	32	17.132	2.093	0.013
0763	32	16.738	0.893	0.340
0764	32	16.878	1.806	0.970
0765	32	18.555	1.224	1.433
0766	32	17.865	1.279	-0.014
0767	32	16.226	2.232	0.467
0768	32	17.659	1.795	-0.543
0769	32	16.791	1.995	-0.026
0770	32	17.092	1.006	0.513