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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 834 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 BET AUR CTOA 2460420.6851 2024-04-20 04:26 1.971 0.008 Johnson V PEP
2 RR LYN CTOA 2460420.6979 2024-04-20 04:44 5.572 0.005 Johnson V PEP
3 RR LYN DEY 2460423.5796 2024-04-23 01:54 5.613 0.001 Johnson V CCD
4 RR LYN DEY 2460423.5739 2024-04-23 01:46 5.747 0.001 Johnson B CCD
5 RR LYN DEY 2460429.5678 2024-04-29 01:37 5.648 0.004 Johnson V CCD
6 RR LYN DEY 2460429.5676 2024-04-29 01:37 5.931 0.004 Johnson B CCD
7 RR LYN DEY 2460432.5680 2024-05-02 01:37 5.499 0.006 Johnson V CCD
8 RR LYN DEY 2460432.5726 2024-05-02 01:44 5.835 0.005 Johnson B CCD
9 RR LYN DEY 2460433.5687 2024-05-03 01:38 5.394 0.005 Johnson V CCD
10 RR LYN DEY 2460433.5702 2024-05-03 01:41 5.622 0.004 Johnson B CCD
11 RR LYN DEY 2460443.5775 2024-05-13 01:51 5.416 0.005 Johnson V CCD
12 RR LYN DEY 2460443.5778 2024-05-13 01:51 5.775 0.004 Johnson B CCD
13 RR LYN DEY 2460450.5618 2024-05-20 01:28 5.523 0.002 Johnson V DSLR
14 RR LYN DEY 2460450.5635 2024-05-20 01:31 5.521 0.003 Johnson V DSLR
15 RR LYN DEY 2460451.5643 2024-05-21 01:32 5.489 0.001 Johnson V DSLR
16 RR LYN DEY 2460451.5643 2024-05-21 01:32 5.757 0.001 Johnson B DSLR
17 RR LYN DEY 2460452.5820 2024-05-22 01:58 5.507 0.001 Johnson V DSLR
18 RR LYN DEY 2460452.5820 2024-05-22 01:58 5.728 0.001 Johnson B DSLR
19 RR LYN DEY 2460453.5546 2024-05-23 01:18 5.488 0.001 Johnson V DSLR
20 RR LYN DEY 2460453.5546 2024-05-23 01:18 5.849 0.001 Johnson B DSLR
21 RR LYN DEY 2460453.5587 2024-05-23 01:24 5.452 0.001 Johnson V DSLR
22 RR LYN DEY 2460453.5587 2024-05-23 01:24 5.797 0.001 Johnson B DSLR
23 RR LYN DEY 2460453.5646 2024-05-23 01:33 5.481 0.005 Johnson V DSLR
24 RR LYN DEY 2460453.5646 2024-05-23 01:33 5.762 0.002 Johnson B DSLR
25 RR LYN DEY 2460453.5691 2024-05-23 01:39 5.503 0.006 Johnson V DSLR