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The AAVSO International Database is a repository of variable star observations contributed by amateur and professional astronomers worldwide. Use the form below to search for observations of specific stars or by specific observers.

Enter list of star names, comma separated.
Enter a date in natural language, jd, or utc format.
Enter a date in natural language, jd, or utc format.
Separate multiple observers with commas.
Campaign overrides targets and dates.

Found 759 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 GW Lib NLX 2457134.1432 2015-04-21 15:26 16.858 0.098 Johnson V CCD
2 GW Lib NLX 2457134.1414 2015-04-21 15:23 16.875 0.101 Johnson V CCD
3 GW Lib NLX 2457134.1396 2015-04-21 15:21 16.786 0.089 Johnson V CCD
4 GW Lib NLX 2457134.1380 2015-04-21 15:18 16.901 0.102 Johnson V CCD
5 GW Lib NLX 2457134.1364 2015-04-21 15:16 16.813 0.090 Johnson V CCD
6 GW Lib NLX 2457134.1347 2015-04-21 15:14 16.808 0.091 Johnson V CCD
7 GW Lib NLX 2457134.1331 2015-04-21 15:11 16.827 0.090 Johnson V CCD
8 GW Lib NLX 2457134.1315 2015-04-21 15:09 16.922 0.100 Johnson V CCD
9 GW Lib NLX 2457134.1299 2015-04-21 15:07 16.708 0.080 Johnson V CCD
10 GW Lib NLX 2457134.1282 2015-04-21 15:04 16.574 0.071 Johnson V CCD
11 GW Lib NLX 2457134.1266 2015-04-21 15:02 16.818 0.083 Johnson V CCD
12 GW Lib PEX 2457134.1257 2015-04-21 15:01 <15.1 N/A Visual Visual
13 GW Lib NLX 2457134.1251 2015-04-21 15:00 16.802 0.081 Johnson V CCD
14 GW Lib NLX 2457134.1234 2015-04-21 14:57 16.827 0.084 Johnson V CCD
15 GW Lib NLX 2457134.1219 2015-04-21 14:55 16.815 0.083 Johnson V CCD
16 GW Lib NLX 2457134.1204 2015-04-21 14:53 16.730 0.075 Johnson V CCD
17 GW Lib NLX 2457134.1187 2015-04-21 14:50 16.671 0.071 Johnson V CCD
18 GW Lib NLX 2457134.1171 2015-04-21 14:48 16.786 0.075 Johnson V CCD
19 GW Lib NLX 2457134.1154 2015-04-21 14:46 16.766 0.079 Johnson V CCD
20 GW Lib NLX 2457134.1137 2015-04-21 14:43 16.678 0.069 Johnson V CCD
21 GW Lib NLX 2457134.1120 2015-04-21 14:41 16.667 0.070 Johnson V CCD
22 GW Lib NLX 2457134.1105 2015-04-21 14:39 16.800 0.081 Johnson V CCD
23 GW Lib NLX 2457134.1090 2015-04-21 14:36 16.670 0.069 Johnson V CCD
24 GW Lib NLX 2457134.1074 2015-04-21 14:34 16.859 0.085 Johnson V CCD
25 GW Lib NLX 2457134.1058 2015-04-21 14:32 16.813 0.077 Johnson V CCD