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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 15751 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 AM Her DDJ 2457127.9937 2015-04-15 11:50 13.358 0.013 Johnson V CCD
2 AM Her DDJ 2457127.9729 2015-04-15 11:20 13.536 0.019 Johnson V CCD
3 AM Her KMA 2457127.8451 2015-04-15 08:16 13.5 N/A Visual Visual
4 AM Her PTQ 2457127.7118 2015-04-15 05:05 13.3 N/A Visual Visual
5 AM Her PXR 2457127.6662 2015-04-15 03:59 13.060 0.014 Johnson V CCD
6 AM Her PXR 2457127.6655 2015-04-15 03:58 13.052 0.014 Johnson V CCD
7 AM Her PXR 2457127.6648 2015-04-15 03:57 13.028 0.013 Johnson V CCD
8 AM Her PXR 2457127.6641 2015-04-15 03:56 13.117 0.014 Johnson V CCD
9 AM Her PXR 2457127.6633 2015-04-15 03:55 13.052 0.013 Johnson V CCD
10 AM Her PXR 2457127.6626 2015-04-15 03:54 13.086 0.013 Johnson V CCD
11 AM Her PXR 2457127.6619 2015-04-15 03:53 13.090 0.013 Johnson V CCD
12 AM Her PXR 2457127.6612 2015-04-15 03:52 13.145 0.014 Johnson V CCD
13 AM Her PXR 2457127.6604 2015-04-15 03:51 13.085 0.013 Johnson V CCD
14 AM Her PXR 2457127.6597 2015-04-15 03:50 13.064 0.013 Johnson V CCD
15 AM Her PXR 2457127.6590 2015-04-15 03:48 13.141 0.013 Johnson V CCD
16 AM Her PXR 2457127.6583 2015-04-15 03:47 13.122 0.013 Johnson V CCD
17 AM Her PXR 2457127.6576 2015-04-15 03:46 13.095 0.013 Johnson V CCD
18 AM Her PXR 2457127.6568 2015-04-15 03:45 13.149 0.013 Johnson V CCD
19 AM Her PXR 2457127.6561 2015-04-15 03:44 13.085 0.013 Johnson V CCD
20 AM Her PXR 2457127.6554 2015-04-15 03:43 12.960 0.013 Johnson V CCD
21 AM Her PXR 2457127.6547 2015-04-15 03:42 13.034 0.013 Johnson V CCD
22 AM Her PXR 2457127.6540 2015-04-15 03:41 12.987 0.013 Johnson V CCD
23 AM Her PXR 2457127.6532 2015-04-15 03:40 13.011 0.013 Johnson V CCD
24 AM Her PXR 2457127.6525 2015-04-15 03:39 13.056 0.013 Johnson V CCD
25 AM Her PXR 2457127.6518 2015-04-15 03:38 13.035 0.013 Johnson V CCD