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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 2457134.0221 2015-04-21 12:31 16.725 0.071 Johnson V CCD
2 GW Lib NLX 2457134.0206 2015-04-21 12:29 16.816 0.079 Johnson V CCD
3 GW Lib NLX 2457134.0190 2015-04-21 12:27 16.662 0.069 Johnson V CCD
4 GW Lib NLX 2457134.0174 2015-04-21 12:25 16.861 0.083 Johnson V CCD
5 GW Lib NLX 2457134.0158 2015-04-21 12:22 16.796 0.075 Johnson V CCD
6 GW Lib NLX 2457134.0142 2015-04-21 12:20 16.702 0.070 Johnson V CCD
7 GW Lib NLX 2457134.0127 2015-04-21 12:18 16.704 0.072 Johnson V CCD
8 GW Lib NLX 2457134.0110 2015-04-21 12:15 16.533 0.063 Johnson V CCD
9 GW Lib NLX 2457134.0094 2015-04-21 12:13 16.581 0.067 Johnson V CCD
10 GW Lib NLX 2457134.0079 2015-04-21 12:11 16.493 0.061 Johnson V CCD
11 GW Lib NLX 2457134.0062 2015-04-21 12:08 16.616 0.068 Johnson V CCD
12 GW Lib NLX 2457134.0046 2015-04-21 12:06 16.698 0.071 Johnson V CCD
13 GW Lib NLX 2457134.0014 2015-04-21 12:02 16.534 0.062 Johnson V CCD
14 GW Lib NLX 2457133.9998 2015-04-21 11:59 16.606 0.068 Johnson V CCD
15 GW Lib NLX 2457133.9981 2015-04-21 11:57 16.626 0.069 Johnson V CCD
16 GW Lib NLX 2457133.9966 2015-04-21 11:55 16.535 0.065 Johnson V CCD
17 GW Lib NLX 2457133.9950 2015-04-21 11:52 16.515 0.062 Johnson V CCD
18 GW Lib HKEB 2457133.9936 2015-04-21 11:50 16.631 0.032 Johnson V CCD
19 GW Lib SRX 2457133.9736 2015-04-21 11:21 <15.5 N/A Visual Visual
20 GW Lib MGW 2457133.9089 2015-04-21 09:48 16.834 0.171 Johnson B CCD
21 GW Lib MGW 2457133.9024 2015-04-21 09:39 16.209 0.214 Cousins I CCD
22 GW Lib MGW 2457133.9002 2015-04-21 09:36 16.350 0.099 Cousins R CCD
23 GW Lib MGW 2457133.8986 2015-04-21 09:33 16.596 0.135 Johnson V CCD
24 GW Lib MGW 2457133.8965 2015-04-21 09:31 16.636 0.139 Johnson B CCD
25 GW Lib MGW 2457133.8940 2015-04-21 09:27 16.260 0.220 Cousins I CCD