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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 SPET 2457135.2274 2015-04-22 17:27 16.1194 0.0481 Johnson V CCD
2 GW Lib SPET 2457135.2257 2015-04-22 17:25 15.8420 0.0423 Johnson V CCD
3 GW Lib HKEB 2457135.1057 2015-04-22 14:32 16.417 0.049 Johnson V CCD
4 GW Lib MTH 2457134.9868 2015-04-22 11:41 <12.8 N/A Visual Visual
5 GW Lib HMB 2457134.7644 2015-04-22 06:20 16.652 0.028 CV CCD
6 GW Lib HMB 2457134.7633 2015-04-22 06:19 16.625 0.029 CV CCD
7 GW Lib NLX 2457134.1771 2015-04-21 16:15 16.637 0.110 Johnson V CCD
8 GW Lib NLX 2457134.1755 2015-04-21 16:12 16.591 0.107 Johnson V CCD
9 GW Lib NLX 2457134.1736 2015-04-21 16:10 16.689 0.100 Johnson V CCD
10 GW Lib NLX 2457134.1720 2015-04-21 16:07 16.652 0.099 Johnson V CCD
11 GW Lib NLX 2457134.1703 2015-04-21 16:05 16.619 0.084 Johnson V CCD
12 GW Lib NLX 2457134.1686 2015-04-21 16:02 16.716 0.131 Johnson V CCD
13 GW Lib NLX 2457134.1668 2015-04-21 16:00 16.579 0.082 Johnson V CCD
14 GW Lib NLX 2457134.1650 2015-04-21 15:57 16.676 0.088 Johnson V CCD
15 GW Lib NLX 2457134.1633 2015-04-21 15:55 16.907 0.141 Johnson V CCD
16 GW Lib NLX 2457134.1617 2015-04-21 15:52 16.661 0.084 Johnson V CCD
17 GW Lib NLX 2457134.1600 2015-04-21 15:50 16.726 0.103 Johnson V CCD
18 GW Lib NLX 2457134.1584 2015-04-21 15:48 16.672 0.086 Johnson V CCD
19 GW Lib NLX 2457134.1568 2015-04-21 15:45 16.708 0.086 Johnson V CCD
20 GW Lib NLX 2457134.1526 2015-04-21 15:39 16.806 0.089 Johnson V CCD
21 GW Lib NLX 2457134.1511 2015-04-21 15:37 16.753 0.092 Johnson V CCD
22 GW Lib NLX 2457134.1494 2015-04-21 15:35 16.714 0.084 Johnson V CCD
23 GW Lib NLX 2457134.1479 2015-04-21 15:32 16.594 0.078 Johnson V CCD
24 GW Lib NLX 2457134.1462 2015-04-21 15:30 16.765 0.087 Johnson V CCD
25 GW Lib NLX 2457134.1447 2015-04-21 15:28 16.758 0.093 Johnson V CCD