NGC 1931

UBV CCD observations

No	Ref	V	BV	UB
0005	81	13.056	0.498	0.229
0006	81	15.086	0.669	0.301
0007	81	13.779	0.694	0.464
0008	81	12.374	0.422	-0.341
0009	81	14.414	0.510	0.377
0010	81	15.225	0.991	0.369
0011	81	11.937	0.359	-0.378
0012	81	16.527	1.115	0.656
0013	81	15.807	0.725	0.376
0014	81	15.017	0.446	0.299
0018	81	14.891	0.425	0.121
0019	81	11.116	0.300	-0.486
0101	81	20.837	1.150
0102	81	15.981	1.585	1.067
0103	81	17.524	1.364
0104	81	17.762	0.525
0105	81	16.423	0.746	0.426
0106	81	18.374	1.612
0107	81	18.958	1.125
0108	81	19.929	1.606
0109	81	13.971	0.620	-0.098
0110	81	19.157	1.347
0111	81	13.019	0.481	-0.393
0112	81	18.105	0.705	-0.484
0113	81	18.771	1.221
0114	81	19.763	1.508
0115	81	18.243	1.270
0116	81	11.447	0.526	-0.459
0117	81	15.645	0.702	-0.098
0118	81	19.049	1.349	-0.837
0119	81	12.297	0.496	-0.455
0120	81	18.638	1.606
0121	81	15.332	0.670	0.027
0122	81	14.119	0.541	-0.376
0123	81	19.707	1.266
0124	81	15.631	0.569	-0.074
0125	81	17.400	0.795	-0.360
0126	81	18.445	1.435
0127	81	20.706	1.306
0128	81	19.698	1.240
0129	81	14.971	1.118	0.479
0130	81	18.674	1.488
0131	81	18.099	1.481
0132	81	19.298	1.885
0133	81	14.984	0.457	-0.049
0134	81	19.562	1.396
0135	81	14.499	0.287	-0.205
0136	81	19.300	1.217
0137	81	19.276	1.585
0138	81	19.527	0.977
0139	81	16.407	1.970
0140	81	17.428	1.228	0.430
0141	81	16.811	0.843	0.223
0142	81	19.415	0.850
0143	81	19.551	1.069
0144	81	17.006	1.207	0.618
0145	81	19.216	1.741
0146	81	17.160	1.454	0.837
0147	81	18.495	1.183
0148	81	15.902	0.535	0.345
0149	81	18.325	0.812	0.240
0150	81	16.905	0.760	0.155
0151	81	19.178	1.684
0152	81	19.875	1.934
0153	81	16.250	0.828	0.032
0154	81	18.633	1.444
0155	81	19.094	1.162
0156	81	18.202	1.487
0157	81	16.626	1.086	0.458
0158	81	20.323	1.326
0159	81	18.509	1.727
0160	81	14.746	0.702	0.215
0161	81	16.711	0.945	0.783
0162	81	16.139	0.889	0.821
0163	81	18.514	1.529
0165	81	17.167	1.200	0.824
0166	81	19.543	0.910
0167	81	18.414	1.289
0168	81	19.566	1.718
0169	81	18.905	1.655
0170	81	15.840	0.939	0.441
0171	81	17.477	1.038	0.585
0172	81	20.317	1.414
0173	81	18.871	0.936
0174	81	15.421	0.668	0.203
0176	81	17.040	1.007	0.612
0177	81	19.698	1.156
0178	81	18.117	1.044
0179	81	19.587	1.285
0180	81	19.966	1.825
0181	81	18.443	0.931
0182	81	17.608	1.168
0183	81	19.725	1.251
0184	81	20.077	1.348
0201	81	18.023	0.759	0.268
0202	81	18.243	0.477	0.162
0203	81	18.547	1.434	-1.361
0205	81	18.650	2.005
0206	81	18.252	1.255
0207	81	17.698	1.622
0208	81	19.397	1.449
0209	81	18.140	2.094
0211	81	19.466	1.602
0213	81	20.233	1.728
0214	81	19.582	1.349
0215	81	17.364	1.087	0.352
0216	81	19.305	0.849
0217	81	15.428	0.932	0.354
0218	81	17.422	1.648
0219	81	13.477	0.427	-0.318
0220	81	18.323	1.219
0222	81	18.303	1.522
0223	81	18.850	1.436
0224	81	18.276	1.647
0225	81	16.613	0.947	0.711
0226	81	16.444	1.251
0227	81	19.467	0.972
0228	81	17.332	2.085
0230	81	18.664	1.238
0231	81	17.680	0.883	0.233
0233	81	17.931	1.540
0234	81	15.528	0.895	0.325
0235	81	18.560	1.239
0236	81	17.847	0.872
0238	81	19.872	1.512
0239	81	15.940	0.934	0.353
0240	81	19.603	1.405
0241	81	18.882	0.955
0242	81	18.582	1.392
0243	81	19.610	1.523
0245	81	18.416	1.172
0246	81	16.784	1.503	1.124
0248	81	19.716	1.622
0249	81	16.533	1.145	0.669
0250	81	19.115	1.749
0252	81	16.674	1.926	-0.214