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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 3830 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 AM Her ANNA 2460850.3681 2025-06-23 20:50 13.83 0.012 Johnson V CCD
2 AM Her ANNA 2460850.3676 2025-06-23 20:49 13.795 0.011 Johnson V CCD
3 AM Her ANNA 2460850.3672 2025-06-23 20:48 13.808 0.011 Johnson V CCD
4 AM Her ANNA 2460850.3665 2025-06-23 20:47 13.844 0.008 Johnson B CCD
5 AM Her ANNA 2460850.3659 2025-06-23 20:46 13.647 0.011 Johnson V CCD
6 AM Her ANNA 2460850.3655 2025-06-23 20:46 13.666 0.011 Johnson V CCD
7 AM Her ANNA 2460850.3650 2025-06-23 20:45 13.673 0.011 Johnson V CCD
8 AM Her ANNA 2460850.3645 2025-06-23 20:44 13.77 0.011 Johnson V CCD
9 AM Her ANNA 2460850.3640 2025-06-23 20:44 13.802 0.011 Johnson V CCD
10 AM Her ANNA 2460850.3636 2025-06-23 20:43 13.787 0.011 Johnson V CCD
11 AM Her ANNA 2460850.3630 2025-06-23 20:42 13.977 0.009 Johnson B CCD
12 AM Her ANNA 2460850.3624 2025-06-23 20:41 13.921 0.012 Johnson V CCD
13 AM Her ANNA 2460850.3619 2025-06-23 20:41 13.95 0.013 Johnson V CCD
14 AM Her ANNA 2460850.3614 2025-06-23 20:40 13.872 0.012 Johnson V CCD
15 AM Her ANNA 2460850.3609 2025-06-23 20:39 13.809 0.012 Johnson V CCD
16 AM Her ANNA 2460850.3605 2025-06-23 20:39 13.841 0.012 Johnson V CCD
17 AM Her ANNA 2460850.3600 2025-06-23 20:38 13.873 0.013 Johnson V CCD
18 AM Her ANNA 2460850.3594 2025-06-23 20:37 14.057 0.009 Johnson B CCD
19 AM Her ANNA 2460850.3588 2025-06-23 20:36 13.871 0.012 Johnson V CCD
20 AM Her ANNA 2460850.3583 2025-06-23 20:35 13.863 0.011 Johnson V CCD
21 AM Her ANNA 2460850.3578 2025-06-23 20:35 13.868 0.011 Johnson V CCD
22 AM Her ANNA 2460850.3574 2025-06-23 20:34 13.824 0.011 Johnson V CCD
23 AM Her ANNA 2460850.3569 2025-06-23 20:33 13.893 0.012 Johnson V CCD
24 AM Her ANNA 2460850.3564 2025-06-23 20:33 13.95 0.012 Johnson V CCD
25 AM Her ANNA 2460850.3558 2025-06-23 20:32 14.079 0.009 Johnson B CCD