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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 44 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 GW Lib SRX 2458012.9076 2017-09-16 09:46 16.5 N/A Visual Visual
2 GW Lib NLX 2458012.8853 2017-09-16 09:14 16.5 0.1 Johnson V CCD
3 GW Lib HMB 2458010.4702 2017-09-13 23:17 16.833 0.208 Johnson V CCD
4 GW Lib HMB 2458010.4691 2017-09-13 23:15 16.653 0.171 Johnson V CCD
5 GW Lib MGW 2458009.8677 2017-09-13 08:49 16.456 0.032 Johnson V CCD
6 GW Lib MGW 2458009.8657 2017-09-13 08:46 16.666 0.076 Johnson B CCD
7 GW Lib HKEB 2458009.3462 2017-09-12 20:18 16.799 0.215 CV CCD
8 GW Lib HMIA 2458008.9920 2017-09-12 11:48 17.413 0.296 Johnson V CCD
9 GW Lib NLX 2458008.9354 2017-09-12 10:27 16.4 0.2 Johnson V CCD
10 GW Lib NLX 2458008.9039 2017-09-12 09:41 <14.9 0.1 Johnson V CCD
11 GW Lib SRX 2458008.8875 2017-09-12 09:18 16.4 N/A Visual Visual
12 GW Lib GJED 2458008.6181 2017-09-12 02:50 <15.7 N/A Johnson V CCD
13 GW Lib HMB 2458008.4762 2017-09-11 23:25 16.807 0.146 Johnson V CCD
14 GW Lib HMB 2458008.4751 2017-09-11 23:24 16.598 0.124 Johnson V CCD
15 GW Lib MGW 2458007.8679 2017-09-11 08:49 16.464 0.027 Johnson V CCD
16 GW Lib MGW 2458007.8659 2017-09-11 08:46 16.517 0.046 Johnson B CCD
17 GW Lib HMB 2458007.4764 2017-09-10 23:26 16.342 0.093 Johnson V CCD
18 GW Lib HMB 2458007.4754 2017-09-10 23:24 16.729 0.126 Johnson V CCD
19 GW Lib FFAD 2458007.4444 2017-09-10 22:39 <15.1 N/A Visual Visual
20 GW Lib HKEB 2458007.3480 2017-09-10 20:21 16.710 0.173 CV CCD
21 GW Lib SRX 2458006.9014 2017-09-10 09:38 16.5 N/A Visual Visual
22 GW Lib NLX 2458006.8840 2017-09-10 09:12 16.6 0.1 Johnson V CCD
23 GW Lib CKB 2458006.5646 2017-09-10 01:32 <12.3 N/A Visual Visual
24 GW Lib HMB 2458006.4808 2017-09-09 23:32 16.673 0.114 Johnson V CCD
25 GW Lib HMB 2458006.4797 2017-09-09 23:30 16.484 0.099 Johnson V CCD