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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 3827 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 AM Her ANNA 2460857.3593 2025-06-30 20:37 13.265 0.009 Johnson V CCD
2 AM Her ANNA 2460857.3588 2025-06-30 20:36 13.234 0.008 Johnson V CCD
3 AM Her ANNA 2460857.3584 2025-06-30 20:36 13.226 0.008 Johnson V CCD
4 AM Her ANNA 2460857.3579 2025-06-30 20:35 13.333 0.009 Johnson V CCD
5 AM Her ANNA 2460857.3574 2025-06-30 20:34 13.383 0.009 Johnson V CCD
6 AM Her ANNA 2460857.3568 2025-06-30 20:33 13.933 0.009 Johnson B CCD
7 AM Her ANNA 2460857.3562 2025-06-30 20:32 13.457 0.010 Johnson V CCD
8 AM Her ANNA 2460857.3557 2025-06-30 20:32 13.511 0.010 Johnson V CCD
9 AM Her ANNA 2460857.3553 2025-06-30 20:31 13.527 0.011 Johnson V CCD
10 AM Her ANNA 2460857.3548 2025-06-30 20:30 13.429 0.010 Johnson V CCD
11 AM Her ANNA 2460857.3543 2025-06-30 20:30 13.446 0.010 Johnson V CCD
12 AM Her ANNA 2460857.3538 2025-06-30 20:29 13.467 0.010 Johnson V CCD
13 AM Her ANNA 2460857.3532 2025-06-30 20:28 13.915 0.010 Johnson B CCD
14 AM Her ANNA 2460857.3526 2025-06-30 20:27 13.543 0.010 Johnson V CCD
15 AM Her ANNA 2460857.3521 2025-06-30 20:27 13.568 0.010 Johnson V CCD
16 AM Her ANNA 2460857.3517 2025-06-30 20:26 13.576 0.011 Johnson V CCD
17 AM Her ANNA 2460857.3512 2025-06-30 20:25 13.648 0.011 Johnson V CCD
18 AM Her ANNA 2460857.3507 2025-06-30 20:25 13.654 0.011 Johnson V CCD
19 AM Her ANNA 2460857.3503 2025-06-30 20:24 13.624 0.011 Johnson V CCD
20 AM Her ANNA 2460857.3496 2025-06-30 20:23 13.915 0.010 Johnson B CCD
21 AM Her ANNA 2460857.3490 2025-06-30 20:22 13.667 0.011 Johnson V CCD
22 AM Her ANNA 2460857.3486 2025-06-30 20:21 13.673 0.011 Johnson V CCD
23 AM Her ANNA 2460857.3481 2025-06-30 20:21 13.650 0.011 Johnson V CCD
24 AM Her ANNA 2460857.3476 2025-06-30 20:20 13.739 0.012 Johnson V CCD
25 AM Her ANNA 2460857.3471 2025-06-30 20:19 13.749 0.012 Johnson V CCD