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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 2460847.3611 2025-06-20 20:39 13.266 0.012 Johnson V CCD
2 AM Her ANNA 2460847.3606 2025-06-20 20:39 13.264 0.009 Johnson V CCD
3 AM Her ANNA 2460847.3602 2025-06-20 20:38 13.227 0.008 Johnson V CCD
4 AM Her ANNA 2460847.3597 2025-06-20 20:37 13.145 0.008 Johnson V CCD
5 AM Her ANNA 2460847.3592 2025-06-20 20:37 13.170 0.008 Johnson V CCD
6 AM Her ANNA 2460847.3586 2025-06-20 20:36 13.884 0.008 Johnson B CCD
7 AM Her ANNA 2460847.3580 2025-06-20 20:35 13.144 0.008 Johnson V CCD
8 AM Her ANNA 2460847.3575 2025-06-20 20:34 13.116 0.008 Johnson V CCD
9 AM Her ANNA 2460847.3570 2025-06-20 20:34 13.067 0.008 Johnson V CCD
10 AM Her ANNA 2460847.3566 2025-06-20 20:33 13.145 0.007 Johnson V CCD
11 AM Her ANNA 2460847.3561 2025-06-20 20:32 13.160 0.008 Johnson V CCD
12 AM Her ANNA 2460847.3556 2025-06-20 20:32 13.084 0.007 Johnson V CCD
13 AM Her KHAD 2460846.5565 2025-06-20 01:21 12.733 0.0590 Cousins R CCD
14 AM Her KHAD 2460846.5518 2025-06-20 01:14 13.464 0.0590 Johnson V CCD
15 AM Her KHAD 2460846.5494 2025-06-20 01:11 12.703 0.0590 Cousins R CCD
16 AM Her KHAD 2460846.5470 2025-06-20 01:07 13.748 0.0590 Johnson B CCD
17 AM Her KHAD 2460846.5446 2025-06-20 01:04 13.358 0.0590 Johnson V CCD
18 AM Her KHAD 2460846.5422 2025-06-20 01:00 12.547 0.0590 Cousins R CCD
19 AM Her KHAD 2460846.5399 2025-06-20 00:57 13.748 0.0590 Johnson B CCD
20 AM Her KHAD 2460846.5375 2025-06-20 00:53 13.312 0.0590 Johnson V CCD
21 AM Her KHAD 2460846.5351 2025-06-20 00:50 12.624 0.0590 Cousins R CCD
22 AM Her KHAD 2460846.5327 2025-06-20 00:47 13.794 0.0590 Johnson B CCD
23 AM Her KHAD 2460846.5304 2025-06-20 00:43 13.524 0.0590 Johnson V CCD
24 AM Her KHAD 2460846.5280 2025-06-20 00:40 12.827 0.0590 Cousins R CCD
25 AM Her KHAD 2460846.5239 2025-06-20 00:34 13.849 0.0590 Johnson B CCD