NGC 6939

VI-Cousins CCD observations

No	Ref	V	VIc
0046	315	14.702	0.905
0047	315	15.464	0.985
0048	315	16.439	1.162
0049	315	16.005	1.049
0054	315	13.822	1.119
0055	315	15.295	0.959
0056	315	15.203	0.908
0058	315	13.370	1.049
0059	315	12.423	0.776
0060	315	15.320	1.077
0064	315	16.013	1.027
0066	315	13.046	0.999
0072	315	15.572	1.048
0074	315	15.082	1.669
0075	315	14.304	1.000
0078	315	16.291	1.039
0080	315	13.990	1.271
0082	315	15.392	1.055
0083	315	14.610	1.234
0084	315	15.787	0.955
0085	315	15.440	1.138
0087	315	14.328	0.952
0088	315	16.018	1.040
0089	315	15.572	1.034
0090	315	14.152	1.055
0091	315	16.263	1.063
0093	315	15.308	1.080
0095	315	14.528	0.960
0097	315	14.723	0.927
0098	315	15.954	1.031
0099	315	14.051	1.002
0100	315	14.900	0.930
0101	315	15.017	1.409
0102	315	14.917	0.908
0103	315	16.035	1.007
0104	315	15.653	0.951
0105	315	14.575	0.923
0106	315	11.421	0.564
0108	315	13.353	1.079
0109	315	13.746	1.145
0110	315	14.245	1.042
0112	315	15.120	0.988
0113	315	14.171	1.021
0115	315	14.603	0.876
0116	315	15.286	0.919
0118	315	14.337	0.937
0119	315	14.105	0.883
0120	315	15.340	0.952
0121	315	12.559	1.632
0122	315	13.127	1.389
0125	315	13.791	1.066
0126	315	14.824	0.896
0127	315	16.268	0.977
0129	315	15.761	0.928
0130	315	13.135	1.377
0131	315	15.028	0.950
0132	315	14.082	0.987
0133	315	12.288	1.635
0134	315	13.007	1.476
0135	315	12.639	1.280
0136	315	15.392	1.014
0138	315	15.689	1.030
0139	315	15.046	1.125
0141	315	13.372	1.507
0142	315	14.770	0.928
0145	315	13.073	1.407
0146	315	13.333	1.391
0147	315	15.083	0.947
0148	315	14.745	0.869
0149	315	14.196	0.922
0151	315	15.493	1.067
0152	315	14.933	0.886
0154	315	15.682	1.006
0157	315	14.572	0.941
0159	315	15.611	0.978
0160	315	14.340	1.040
0161	315	15.686	0.970
0162	315	15.977	0.981
0164	315	12.955	0.693
0165	315	13.964	0.867
0166	315	14.764	0.858
0167	315	14.700	0.912
0168	315	12.633	0.490
0169	315	14.965	0.963
0170	315	13.032	1.431
0171	315	14.826	1.009
0172	315	15.551	1.347
0173	315	14.835	1.468
0174	315	14.835	0.974
0175	315	15.948	0.988
0177	315	14.642	0.959
0178	315	15.589	1.154
0180	315	15.483	1.012
0182	315	12.822	1.405
0183	315	14.177	0.935
0184	315	14.844	1.155
0185	315	12.458	1.767
0186	315	16.037	1.035
0187	315	14.189	0.852
0189	315	15.054	1.075
0191	315	15.365	0.974
0192	315	14.846	1.019
0193	315	14.207	0.960
0194	315	15.215	1.245
0195	315	15.529	0.915
0196	315	14.259	0.874
0197	315	15.398	1.034
0200	315	15.379	1.060
0201	315	13.768	0.900
0203	315	14.497	0.903
0206	315	14.676	1.397
0207	315	15.271	1.078
0208	315	15.259	1.053
0209	315	13.991	1.353
0210	315	16.105	1.056
0211	315	14.538	0.906
0212	315	12.063	1.789
0213	315	14.132	1.094
0214	315	13.164	1.397
0215	315	15.062	0.973
0216	315	15.482	0.984
0217	315	14.870	1.163
0218	315	15.910	1.003
0220	315	14.608	0.756
0221	315	14.003	0.974
0222	315	14.961	0.992
0223	315	15.649	1.138
0224	315	15.504	0.863
0226	315	14.812	0.954
0227	315	14.830	1.030
0229	315	15.815	1.007
0230	315	13.047	1.417
0232	315	14.569	1.171
0233	315	14.614	1.023
0234	315	14.674	1.191
0235	315	15.480	1.083
0236	315	15.925	1.082
0237	315	15.645	0.967
0238	315	15.787	1.112
0240	315	14.767	1.110
0244	315	15.462	1.164
0245	315	14.986	0.950
0246	315	15.681	0.966
0247	315	14.247	1.003
0248	315	13.303	1.607
0249	315	14.501	0.988
0250	315	15.231	0.995
0251	315	16.184	0.984
0253	315	16.066	0.991
0254	315	14.626	0.970
0255	315	15.174	0.975
0257	315	15.454	1.071
0258	315	14.275	0.971
0259	315	15.152	1.085
0261	315	14.459	0.955
0262	315	15.298	1.044
0264	315	15.104	0.952
0266	315	14.537	0.949
0267	315	15.591	1.024
0268	315	14.353	1.363
0269	315	14.260	1.681
0270	315	14.932	1.110
0272	315	14.705	1.064
0278	315	14.653	0.695
0279	315	13.744	1.118
0281	315	15.202	1.023
0283	315	14.679	1.191
0284	315	15.532	1.055
0285	315	15.723	1.039
0286	315	14.569	1.125
0287	315	15.568	1.001
0290	315	14.585	0.952
0291	315	14.797	1.006
0292	315	13.175	1.508
0294	315	13.218	1.477
0297	315	14.805	1.014
0299	315	15.132	1.076
0300	315	14.585	1.250
0303	315	14.142	1.091
0305	315	15.217	1.087
0306	315	15.576	1.077
0308	315	14.326	1.010
0309	315	14.942	1.045
0311	315	13.262	1.501
0313	315	15.878	1.197
0315	315	15.751	1.084
0665	315	16.133	1.026
0666	315	16.288	0.999
0667	315	16.493	1.034
0668	315	16.517	1.180
0669	315	16.953	1.257
0670	315	17.567	1.205
0671	315	17.673	1.186
0672	315	17.807	0.973
0673	315	17.925	1.353
0674	315	17.919	1.319
0675	315	17.927	1.419
0676	315	18.028	1.344
0677	315	18.204	1.128
0678	315	18.153	1.054
0679	315	18.361	1.416
0680	315	18.338	1.374
0681	315	18.489	1.458
0682	315	18.594	1.294
0683	315	18.636	1.410
0684	315	18.768	1.460
0685	315	19.041	1.894
0686	315	19.082	1.584
0687	315	19.121	0.965
0688	315	19.458	1.243
0689	315	19.447	0.733
0690	315	19.518	1.077
0691	315	19.553	1.415
0692	315	17.315	1.200
0694	315	18.406	1.483
0696	315	16.737	1.264
0697	315	18.206	1.361
0698	315	17.635	1.008
0699	315	16.290	2.080
0700	315	18.095	2.025
0701	315	16.212	1.159
0703	315	17.538	1.190
0704	315	18.128	1.190
0705	315	17.679	1.180
0706	315	17.786	1.228
0707	315	18.645	1.420
0708	315	18.091	1.210
0709	315	18.168	1.156
0710	315	17.024	1.160
0711	315	17.162	1.150
0712	315	17.440	2.057
0713	315	17.753	0.999
0714	315	14.129	0.960
1002	315	12.286	0.885
1005	315	12.498	1.536
1009	315	12.787	1.421
1010	315	12.815	1.393
1012	315	12.895	1.411
1025	315	13.262	0.837
1026	315	13.292	1.479
1031	315	13.619	1.540
1033	315	13.711	1.035
1039	315	13.778	1.027
1046	315	14.097	1.041
1061	315	14.259	1.061
1062	315	14.295	1.060
1065	315	14.341	1.064
1067	315	14.325	1.025
1071	315	14.372	1.161
1072	315	14.423	0.927
1076	315	14.533	1.181
1086	315	14.589	0.969
1095	315	14.657	0.919
1100	315	14.726	0.949
1105	315	14.810	1.073
1118	315	14.882	0.906
1119	315	14.925	0.969
1120	315	14.910	1.371
1124	315	14.936	1.071
1130	315	15.003	1.475
1133	315	15.038	1.029
1135	315	15.061	0.937
1150	315	15.226	1.119
1151	315	15.212	0.909
1154	315	15.273	1.051
1162	315	15.352	1.079
1166	315	15.433	1.038
1170	315	15.470	1.203
1195	315	15.778	1.160
1199	315	15.887	1.741
1200	315	15.900	1.110
1202	315	15.820	0.988
1203	315	15.831	0.941
1205	315	15.961	1.190
1209	315	15.946	1.146
1211	315	15.976	1.244
1212	315	15.963	1.181
1213	315	15.964	1.026
1220	315	16.101	1.175
1221	315	16.056	1.133
1222	315	16.157	1.073
1224	315	16.180	1.013
1225	315	16.164	1.092
1226	315	16.216	1.432
1227	315	16.231	1.018
1228	315	16.248	1.137
1229	315	16.294	1.754
1230	315	16.259	1.153
1231	315	16.277	1.112
1232	315	16.259	1.160
1234	315	16.412	1.488
1235	315	16.505	1.081
1236	315	16.291	1.083
1237	315	16.279	1.220
1238	315	16.296	1.086
1240	315	16.352	1.143
1241	315	16.306	1.390
1242	315	16.349	1.232
1243	315	16.318	1.070
1244	315	16.368	1.215
1245	315	16.356	1.091
1246	315	16.320	1.039
1247	315	16.353	1.248
1248	315	16.338	1.057
1249	315	16.375	1.240
1250	315	16.386	1.172
1251	315	16.391	1.178
1252	315	16.387	1.061
1253	315	16.373	1.103
1254	315	16.406	1.068
1255	315	16.440	1.594
1256	315	16.505	1.285
1257	315	16.456	1.047
1258	315	16.445	1.075
1260	315	16.510	1.109
1261	315	16.500	1.102
1262	315	16.473	1.064
1263	315	17.073	1.219
1264	315	16.533	1.137
1265	315	16.550	1.106
1266	315	16.608	1.103
1267	315	16.600	1.182
1268	315	16.571	1.124
1269	315	16.590	1.290
1270	315	16.577	1.137
1271	315	16.606	1.104
1272	315	16.623	1.319
1273	315	16.610	1.090
1274	315	16.647	1.090
1275	315	16.741	1.274
1276	315	16.727	1.249
1277	315	16.732	1.173
1278	315	17.193	1.260
1279	315	16.793	1.141
1280	315	16.786	1.402
1281	315	16.779	1.065
1282	315	16.842	1.088
1283	315	16.804	1.102
1284	315	16.807	1.245
1285	315	16.947	1.009
1286	315	16.867	1.163
1287	315	16.881	1.217
1288	315	16.892	1.344
1289	315	16.861	1.245
1290	315	16.913	1.189
1291	315	16.887	1.305
1292	315	16.924	1.231
1293	315	16.902	1.072
1294	315	16.928	1.132
1295	315	17.043	1.346
1296	315	16.937	1.126
1297	315	16.991	1.188
1298	315	16.978	1.231
1299	315	16.951	1.080
1300	315	16.982	1.258
1301	315	16.978	1.237
1302	315	17.018	1.154
1303	315	16.956	1.459
1304	315	17.030	1.217
1305	315	17.041	1.288
1306	315	17.071	1.104
1307	315	17.057	1.156
1308	315	17.167	1.188
1309	315	17.076	1.236
1310	315	17.088	1.194
1311	315	17.105	1.412
1312	315	17.110	1.155
1313	315	17.130	1.111
1314	315	17.166	1.160
1315	315	17.143	1.287
1316	315	17.148	1.252
1317	315	17.209	1.248
1318	315	17.206	1.139
1319	315	17.934	1.405
1320	315	17.267	1.284
1321	315	17.241	1.155
1322	315	17.273	1.128
1323	315	17.274	1.540
1324	315	17.292	1.185
1325	315	17.259	1.163
1327	315	17.292	1.270
1328	315	17.293	1.331
1329	315	17.315	1.361
1330	315	17.324	1.249
1331	315	17.683	1.310
1332	315	17.458	1.390
1333	315	17.409	1.349
1334	315	17.444	1.545
1335	315	17.440	1.425
1336	315	17.401	1.191
1337	315	17.450	1.233
1338	315	17.444	1.262
1339	315	17.487	1.348
1340	315	17.493	1.227
1341	315	17.471	1.186
1342	315	17.468	1.182
1343	315	17.718	1.313
1344	315	18.092	1.255
1345	315	17.537	1.258
1346	315	17.536	1.305
1347	315	17.510	1.114
1348	315	17.540	1.227
1349	315	17.537	1.129
1350	315	17.546	1.162
1351	315	17.649	1.309
1352	315	17.561	1.364
1353	315	17.636	1.412
1354	315	17.601	1.326
1355	315	17.610	1.309
1356	315	17.604	1.432
1357	315	17.622	1.255
1358	315	17.654	1.255
1359	315	17.637	1.340
1360	315	17.613	0.974
1361	315	17.630	1.165
1362	315	17.676	1.367
1363	315	17.682	1.349
1365	315	17.689	1.197
1366	315	18.169	1.220
1367	315	17.701	1.260
1368	315	17.709	1.283
1369	315	17.779	1.322
1370	315	17.786	1.378
1371	315	17.751	1.185
1372	315	17.782	1.639
1373	315	17.803	1.538
1374	315	17.824	1.440
1375	315	17.829	1.315
1376	315	17.900	1.366
1377	315	17.853	1.431
1378	315	17.965	1.255
1379	315	17.824	1.249
1380	315	17.825	1.178
1381	315	17.810	1.438
1382	315	17.831	1.413
1383	315	17.856	1.300
1384	315	17.848	1.376
1385	315	17.891	1.299
1386	315	17.962	1.088
1387	315	17.899	1.264
1388	315	17.925	1.355
1389	315	17.917	1.121
1390	315	17.919	1.425
1391	315	17.920	1.351
1392	315	17.965	1.328
1393	315	17.944	1.266
1394	315	17.922	1.214
1395	315	17.932	1.253
1396	315	17.946	1.099
1397	315	17.934	1.120
1398	315	18.042	1.134
1399	315	17.999	1.451
1400	315	17.957	1.113
1401	315	18.107	1.609
1402	315	18.065	1.211
1403	315	18.051	1.306
1404	315	18.050	1.363
1405	315	18.109	1.109
1406	315	18.070	1.454
1407	315	18.213	1.030
1408	315	18.107	1.013
1409	315	18.126	1.294
1410	315	18.142	1.321
1411	315	18.095	1.188
1412	315	18.111	1.212
1413	315	18.164	1.419
1414	315	18.198	1.200
1415	315	18.355	1.491
1417	315	18.157	1.612
1418	315	18.229	1.356
1419	315	18.250	1.450
1420	315	18.229	1.737
1421	315	18.218	1.164
1422	315	18.224	1.388
1423	315	18.216	1.341
1424	315	18.335	1.563
1425	315	18.186	1.461
1426	315	18.401	1.404
1427	315	18.256	1.759
1428	315	18.223	1.672
1429	315	18.293	1.608
1430	315	18.299	1.584
1431	315	18.427	1.445
1432	315	18.303	1.253
1433	315	18.314	1.171
1434	315	18.351	2.314
1435	315	18.346	1.216
1436	315	18.320	1.177
1437	315	18.383	1.257
1438	315	18.951	1.268
1439	315	18.379	1.131
1440	315	18.411	1.440
1441	315	18.446	1.254
1442	315	18.436	1.502
1443	315	18.438	1.083
1444	315	18.464	1.356
1445	315	18.489	1.270
1446	315	18.500	1.314
1447	315	18.456	1.450
1448	315	18.489	1.271
1449	315	18.582	1.258
1450	315	18.459	1.641
1451	315	18.490	1.431
1453	315	18.492	1.364
1454	315	18.578	1.593
1455	315	18.479	1.361
1456	315	18.713	1.619
1457	315	18.559	1.446
1459	315	18.604	1.400
1461	315	18.546	1.671
1462	315	18.603	1.669
1464	315	18.578	1.225
1465	315	18.674	1.179
1466	315	18.655	1.447
1467	315	18.645	1.535
1468	315	18.717	1.566
1469	315	18.681	1.162
1470	315	18.763	1.515
1471	315	18.682	1.280
1472	315	18.840	1.589
1473	315	18.671	1.797
1474	315	18.743	1.664
1475	315	18.700	1.165
1476	315	18.708	1.206
1477	315	18.926	1.536
1478	315	18.705	2.481
1479	315	18.737	1.481
1480	315	18.748	1.090
1481	315	18.736	1.336
1482	315	18.754	1.286
1483	315	18.765	1.450
1484	315	18.965	1.820
1485	315	18.842	1.498
1486	315	18.777	2.310
1487	315	18.768	1.375
1488	315	18.916	1.254
1489	315	18.799	1.300
1490	315	18.792	1.033
1491	315	18.857	1.723
1492	315	18.906	1.470
1493	315	18.856	1.807
1494	315	18.861	1.804
1495	315	18.826	1.142
1496	315	18.883	1.454
1497	315	18.850	1.489
1498	315	18.854	1.514
1499	315	18.907	1.731
1501	315	18.939	1.459
1502	315	18.959	1.797
1503	315	18.858	1.491
1504	315	18.899	1.529
1505	315	18.922	1.458
1507	315	18.943	1.755
1508	315	18.996	2.228
1509	315	19.014	1.406
1510	315	18.977	1.428
1511	315	19.060	1.162
1512	315	18.994	1.731
1513	315	19.172	1.455
1515	315	19.042	1.553
1516	315	18.992	1.479
1517	315	19.176	1.277
1518	315	19.083	1.382
1519	315	19.227	1.302
1520	315	19.160	1.590
1521	315	19.076	1.496
1522	315	19.104	1.761
1523	315	19.087	1.266
1524	315	19.135	1.661
1525	315	19.156	1.635
1527	315	19.136	1.725
1530	315	19.130	1.341
1532	315	19.199	1.385
1533	315	19.246	1.724
1534	315	19.219	1.250
1536	315	19.233	1.096
1537	315	19.265	1.648
1540	315	19.218	1.417
1541	315	19.349	1.360
1544	315	19.319	1.828
1545	315	19.160	1.486
1546	315	19.288	1.834
1547	315	19.316	1.211
1548	315	19.362	1.284
1549	315	19.457	1.430
1550	315	19.383	1.731
1551	315	19.276	1.373
1556	315	19.324	1.329
1557	315	19.429	1.319
1558	315	19.396	1.201
1559	315	19.396	1.509
1561	315	19.392	1.335
1562	315	19.388	1.098
1563	315	19.407	1.012
1564	315	19.367	1.236
1565	315	19.404	1.445
1566	315	19.341	1.895
1567	315	19.358	1.174
1570	315	19.515	1.258
1571	315	19.457	1.304
1579	315	19.387	1.586
1580	315	19.539	1.679
1581	315	19.543	1.243
1583	315	19.476	1.044
1584	315	19.493	1.213
1585	315	19.518	1.162
1587	315	19.484	0.879
1588	315	19.565	1.321
1591	315	19.460	1.089
1593	315	19.571	1.255
1594	315	19.483	1.227
1599	315	19.654	1.392
1603	315	19.684	1.813
1604	315	19.678	0.994
1608	315	19.629	1.108
1623	315	19.746	1.175
1633	315	19.906	1.085
1636	315	19.807	1.656
1637	315	19.880	1.037
1642	315	19.930	1.138
1646	315	19.998	1.259
1662	315	20.119	1.143
1701	315	16.603	1.080
1704	315	17.416	1.333
1708	315	16.834	1.274
1713	315	16.887	1.124
1715	315	16.879	1.180
1716	315	16.800	0.904
1719	315	18.676	1.249
1724	315	19.518	1.752
1903	315	18.369	1.194
1904	315	18.158	1.186
1910	315	18.425	1.234