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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 MTH 2457143.9285 2015-05-01 10:16 <10.6 N/A Visual Visual
2 GW Lib HMB 2457143.7393 2015-05-01 05:44 16.629 0.044 CV CCD
3 GW Lib HMB 2457143.7382 2015-05-01 05:43 16.573 0.046 CV CCD
4 GW Lib NLX 2457143.0825 2015-04-30 13:58 16.36 0.08 Johnson V CCD
5 GW Lib HKEB 2457142.9690 2015-04-30 11:15 16.759 0.106 Johnson V CCD
6 GW Lib MTH 2457142.9389 2015-04-30 10:32 <10.6 N/A Visual Visual
7 GW Lib CKB 2457142.9319 2015-04-30 10:21 <13.0 N/A Visual Visual
8 GW Lib HMB 2457142.7443 2015-04-30 05:51 16.670 0.038 CV CCD
9 GW Lib HMB 2457142.7432 2015-04-30 05:50 16.698 0.040 CV CCD
10 GW Lib NLX 2457142.0098 2015-04-29 12:14 16.50 0.08 Johnson V CCD
11 GW Lib CKB 2457141.9090 2015-04-29 09:49 <12.3 N/A Visual Visual
12 GW Lib HMB 2457141.7449 2015-04-29 05:52 16.615 0.030 CV CCD
13 GW Lib HMB 2457141.7438 2015-04-29 05:51 16.579 0.030 CV CCD
14 GW Lib HKEB 2457141.0958 2015-04-28 14:17 15.547 0.441 Johnson V CCD
15 GW Lib MMEA 2457141.0045 2015-04-28 12:06 16.799 0.059 Johnson B CCD
16 GW Lib MMEA 2457140.9985 2015-04-28 11:57 16.454 0.058 Johnson V CCD
17 GW Lib MMEA 2457140.9933 2015-04-28 11:50 16.958 0.071 Johnson B CCD
18 GW Lib MMEA 2457140.9625 2015-04-28 11:05 16.592 0.073 Johnson V CCD
19 GW Lib MMEA 2457140.9569 2015-04-28 10:57 16.718 0.065 Johnson B CCD
20 GW Lib SRX 2457140.9438 2015-04-28 10:39 <13.4 N/A Visual Visual
21 GW Lib HMB 2457140.7477 2015-04-28 05:56 16.654 0.029 CV CCD
22 GW Lib HMB 2457140.7466 2015-04-28 05:55 16.685 0.029 CV CCD
23 GW Lib PRV 2457140.2966 2015-04-27 19:07 16.826 0.113 Johnson V CCD
24 GW Lib PEX 2457140.2743 2015-04-27 18:34 <15.3 N/A Visual Visual
25 GW Lib MTH 2457139.9660 2015-04-27 11:10 <12.0 N/A Visual Visual