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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 125 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 GW Lib SXN 2455666.8303 2011-04-15 07:55 16.746 0.034 Johnson V CCD
2 GW Lib SXN 2455665.8370 2011-04-14 08:05 16.702 0.038 Johnson V CCD
3 GW Lib SXN 2455664.8396 2011-04-13 08:08 16.825 0.036 Johnson V CCD
4 GW Lib CKB 2455663.9306 2011-04-12 10:20 <13.0 N/A Visual Visual
5 GW Lib PKV 2455663.9187 2011-04-12 10:02 <16.6 0.273 Johnson V CCD
6 GW Lib SXN 2455663.8376 2011-04-12 08:06 16.740 0.028 Johnson V CCD
7 GW Lib PAW 2455663.0063 2011-04-11 12:09 <14.0 N/A Visual Visual
8 GW Lib SRX 2455662.0701 2011-04-10 13:40 16.7 N/A Visual Visual
9 GW Lib PAW 2455661.0451 2011-04-09 13:05 <14.0 N/A Visual Visual
10 GW Lib SXN 2455660.8457 2011-04-09 08:17 16.718 0.048 Johnson V CCD
11 GW Lib SRX 2455660.2590 2011-04-08 18:12 <15.7 N/A Visual Visual
12 GW Lib NLX 2455660.0717 2011-04-08 13:43 16.976 0.039 CV CCD
13 GW Lib NLX 2455660.0702 2011-04-08 13:41 16.976 0.040 CV CCD
14 GW Lib NLX 2455660.0687 2011-04-08 13:38 16.931 0.038 CV CCD
15 GW Lib NLX 2455660.0671 2011-04-08 13:36 16.990 0.040 CV CCD
16 GW Lib NLX 2455660.0656 2011-04-08 13:34 16.894 0.039 CV CCD
17 GW Lib NLX 2455660.0640 2011-04-08 13:32 16.924 0.040 CV CCD
18 GW Lib NLX 2455660.0625 2011-04-08 13:29 16.953 0.041 CV CCD
19 GW Lib PAW 2455660.0611 2011-04-08 13:27 <14.0 N/A Visual Visual
20 GW Lib NLX 2455660.0609 2011-04-08 13:27 16.959 0.040 CV CCD
21 GW Lib NLX 2455660.0594 2011-04-08 13:25 16.949 0.039 CV CCD
22 GW Lib NLX 2455660.0578 2011-04-08 13:23 16.861 0.037 CV CCD
23 GW Lib NLX 2455660.0563 2011-04-08 13:21 16.854 0.038 CV CCD
24 GW Lib NLX 2455660.0502 2011-04-08 13:12 17.005 0.043 CV CCD
25 GW Lib NLX 2455660.0487 2011-04-08 13:10 17.058 0.045 CV CCD