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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 2460850.3552 2025-06-23 20:31 13.864 0.011 Johnson V CCD
2 AM Her ANNA 2460850.3547 2025-06-23 20:30 13.958 0.012 Johnson V CCD
3 AM Her ANNA 2460850.3542 2025-06-23 20:30 13.994 0.012 Johnson V CCD
4 AM Her ANNA 2460850.3538 2025-06-23 20:29 13.92 0.012 Johnson V CCD
5 AM Her ANNA 2460850.3533 2025-06-23 20:28 13.909 0.012 Johnson V CCD
6 AM Her ANNA 2460850.3528 2025-06-23 20:28 13.964 0.012 Johnson V CCD
7 AM Her ANNA 2460850.3522 2025-06-23 20:27 14.156 0.009 Johnson B CCD
8 AM Her ANNA 2460850.3516 2025-06-23 20:26 13.83 0.011 Johnson V CCD
9 AM Her ANNA 2460850.3511 2025-06-23 20:25 13.85 0.012 Johnson V CCD
10 AM Her ANNA 2460850.3507 2025-06-23 20:24 13.728 0.011 Johnson V CCD
11 AM Her ANNA 2460850.3502 2025-06-23 20:24 13.761 0.011 Johnson V CCD
12 AM Her ANNA 2460850.3497 2025-06-23 20:23 13.83 0.011 Johnson V CCD
13 AM Her ANNA 2460850.3492 2025-06-23 20:22 13.935 0.013 Johnson V CCD
14 AM Her ANNA 2460850.3481 2025-06-23 20:21 14.061 0.009 Johnson B CCD
15 AM Her ANNA 2460850.3471 2025-06-23 20:19 13.451 0.02 Cousins R CCD
16 AM Her ANNA 2460850.3468 2025-06-23 20:19 13.884 0.012 Johnson V CCD
17 AM Her DALD 2460849.6554 2025-06-23 03:43 12.675 0.005 Cousins R CCD
18 AM Her DALD 2460849.6531 2025-06-23 03:40 12.104 0.004 Cousins I CCD
19 AM Her DALD 2460849.6409 2025-06-23 03:22 13.258 0.005 Johnson V CCD
20 AM Her DALD 2460849.6380 2025-06-23 03:18 13.712 0.006 Johnson B CCD
21 AM Her DUBF 2460848.4068 2025-06-21 21:45 12.696 0.015 Cousins I CCD
22 AM Her DUBF 2460848.4060 2025-06-21 21:44 13.398 0.013 Cousins R CCD
23 AM Her TIA 2460847.4097 2025-06-20 21:49 13.82 0.02 Johnson V CCD
24 AM Her ANNA 2460847.3622 2025-06-20 20:41 13.970 0.009 Johnson B CCD
25 AM Her ANNA 2460847.3616 2025-06-20 20:40 13.297 0.013 Johnson V CCD