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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 9318 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 GK PER KMA 2458354.8069 2018-08-24 07:21 11.8 N/A Visual Visual
2 GK PER NAO 2458355.4917 2018-08-24 23:48 12.45 N/A Visual Visual
3 GK PER PJRB 2458355.5130 2018-08-25 00:18 12.2 N/A Visual Visual
4 GK PER MIW 2458355.5622 2018-08-25 01:29 12.141 0.007 Johnson V CCD
5 GK PER MIW 2458355.5629 2018-08-25 01:30 12.177 0.010 Johnson V CCD
6 GK PER MIW 2458355.5637 2018-08-25 01:31 12.168 0.015 Johnson V CCD
7 GK PER MIW 2458355.5644 2018-08-25 01:32 12.143 0.014 Johnson V CCD
8 GK PER MIW 2458355.5652 2018-08-25 01:33 12.178 0.014 Johnson V CCD
9 GK PER MIW 2458355.5659 2018-08-25 01:34 12.178 0.011 Johnson V CCD
10 GK PER MIW 2458355.5666 2018-08-25 01:35 12.191 0.009 Johnson V CCD
11 GK PER MIW 2458355.5674 2018-08-25 01:37 12.185 0.011 Johnson V CCD
12 GK PER MIW 2458355.5681 2018-08-25 01:38 12.212 0.007 Johnson V CCD
13 GK PER MIW 2458355.5689 2018-08-25 01:39 12.199 0.014 Johnson V CCD
14 GK PER MIW 2458355.5696 2018-08-25 01:40 12.221 0.022 Johnson V CCD
15 GK PER MIW 2458355.5704 2018-08-25 01:41 12.206 0.017 Johnson V CCD
16 GK PER MIW 2458355.5711 2018-08-25 01:42 12.223 0.014 Johnson V CCD
17 GK PER MIW 2458355.5718 2018-08-25 01:43 12.214 0.020 Johnson V CCD
18 GK PER MIW 2458355.5726 2018-08-25 01:44 12.217 0.017 Johnson V CCD
19 GK PER MIW 2458355.5733 2018-08-25 01:45 12.217 0.013 Johnson V CCD
20 GK PER MIW 2458355.5741 2018-08-25 01:46 12.225 0.011 Johnson V CCD
21 GK PER MIW 2458355.5748 2018-08-25 01:47 12.257 0.012 Johnson V CCD
22 GK PER MIW 2458355.5756 2018-08-25 01:48 12.193 0.015 Johnson V CCD
23 GK PER MIW 2458355.5763 2018-08-25 01:49 12.177 0.019 Johnson V CCD
24 GK PER MIW 2458355.5771 2018-08-25 01:50 12.212 0.010 Johnson V CCD
25 GK PER MIW 2458355.5778 2018-08-25 01:52 12.198 0.012 Johnson V CCD