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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 FFAD 2458000.4375 2017-09-03 22:30 15.1 N/A Visual Visual
2 GW Lib MGW 2458000.8659 2017-09-04 08:46 16.547 0.045 Johnson V CCD
3 GW Lib MGW 2458000.8638 2017-09-04 08:43 16.560 0.047 Johnson B CCD
4 GW Lib HKEB 2458000.3540 2017-09-03 20:29 16.711 0.151 Unfiltered with V Zeropoint CCD
5 GW Lib FFAD 2458001.4479 2017-09-04 22:45 13.8 N/A Visual Visual
6 GW Lib MGW 2458001.8652 2017-09-05 08:45 16.460 0.044 Johnson V CCD
7 GW Lib MGW 2458001.8631 2017-09-05 08:42 16.581 0.050 Johnson B CCD
8 GW Lib HKEB 2458001.3527 2017-09-04 20:27 16.694 0.143 Unfiltered with V Zeropoint CCD
9 GW Lib MGW 2458002.8637 2017-09-06 08:43 16.510 0.055 Johnson B CCD
10 GW Lib MGW 2458002.8658 2017-09-06 08:46 16.537 0.051 Johnson V CCD
11 GW Lib HKEB 2458002.3519 2017-09-05 20:26 17.034 0.123 Unfiltered with V Zeropoint CCD
12 GW Lib HMB 2458003.4791 2017-09-06 23:29 16.450 0.145 Johnson V CCD
13 GW Lib HMB 2458003.4802 2017-09-06 23:31 16.395 0.144 Johnson V CCD
14 GW Lib HMB 2458004.4794 2017-09-07 23:30 16.532 0.109 Johnson V CCD
15 GW Lib HMB 2458004.4804 2017-09-07 23:31 16.484 0.094 Johnson V CCD
16 GW Lib HMB 2458005.4793 2017-09-08 23:30 16.417 0.095 Johnson V CCD
17 GW Lib HMB 2458005.4804 2017-09-08 23:31 16.506 0.100 Johnson V CCD
18 GW Lib HMIA 2458006.0191 2017-09-09 12:27 16.893 0.206 Johnson V CCD
19 GW Lib NLX 2458005.8799 2017-09-09 09:07 17.1 0.12 Johnson V CCD
20 GW Lib HMB 2458006.4797 2017-09-09 23:30 16.484 0.099 Johnson V CCD
21 GW Lib HMB 2458006.4808 2017-09-09 23:32 16.673 0.114 Johnson V CCD
22 GW Lib FFAD 2458007.4444 2017-09-10 22:39 15.1 N/A Visual Visual
23 GW Lib NLX 2458006.8840 2017-09-10 09:12 16.6 0.1 Johnson V CCD
24 GW Lib MGW 2458007.8679 2017-09-11 08:49 16.464 0.027 Johnson V CCD
25 GW Lib MGW 2458007.8659 2017-09-11 08:46 16.517 0.046 Johnson B CCD