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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 801 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 V1204 Tau DWRA 2459594.4743 2022-01-14 23:23 10.6 N/A Visual Visual
2 V1204 Tau YBA 2459594.6076 2022-01-15 02:34 11.700 0.029 Johnson B CCD
3 V1204 Tau YBA 2459594.6087 2022-01-15 02:36 10.750 0.024 Johnson V CCD
4 V1204 Tau YBA 2459594.5781 2022-01-15 01:52 10.726 0.080 Johnson V CCD
5 V1204 Tau YBA 2459594.5938 2022-01-15 02:15 10.759 0.091 Johnson V CCD
6 V1204 Tau YBA 2459594.6089 2022-01-15 02:36 10.712 0.078 Johnson V CCD
7 V1204 Tau JSJA 2459594.4532 2022-01-14 22:52 11.783 0.023 Johnson B CCD
8 V1204 Tau JSJA 2459594.4534 2022-01-14 22:52 11.799 0.024 Johnson B CCD
9 V1204 Tau JSJA 2459594.4536 2022-01-14 22:53 11.735 0.024 Johnson B CCD
10 V1204 Tau JSJA 2459594.4538 2022-01-14 22:53 11.758 0.025 Johnson B CCD
11 V1204 Tau JSJA 2459594.4540 2022-01-14 22:53 11.758 0.030 Johnson B CCD
12 V1204 Tau JSJA 2459594.4542 2022-01-14 22:54 11.755 0.024 Johnson B CCD
13 V1204 Tau JSJA 2459594.4544 2022-01-14 22:54 11.806 0.024 Johnson B CCD
14 V1204 Tau JSJA 2459594.4546 2022-01-14 22:54 11.767 0.024 Johnson B CCD
15 V1204 Tau JSJA 2459594.4548 2022-01-14 22:54 11.777 0.024 Johnson B CCD
16 V1204 Tau JSJA 2459594.4550 2022-01-14 22:55 11.762 0.023 Johnson B CCD
17 V1204 Tau JSJA 2459594.4552 2022-01-14 22:55 11.776 0.023 Johnson B CCD
18 V1204 Tau JSJA 2459594.4554 2022-01-14 22:55 11.750 0.024 Johnson B CCD
19 V1204 Tau JSJA 2459594.4556 2022-01-14 22:56 11.780 0.024 Johnson B CCD
20 V1204 Tau JSJA 2459594.4558 2022-01-14 22:56 11.788 0.024 Johnson B CCD
21 V1204 Tau JSJA 2459594.4560 2022-01-14 22:56 11.732 0.024 Johnson B CCD
22 V1204 Tau JSJA 2459594.4562 2022-01-14 22:56 11.760 0.023 Johnson B CCD
23 V1204 Tau JSJA 2459594.4564 2022-01-14 22:57 11.735 0.024 Johnson B CCD
24 V1204 Tau JSJA 2459594.4566 2022-01-14 22:57 11.798 0.024 Johnson B CCD
25 V1204 Tau JSJA 2459594.4568 2022-01-14 22:57 11.724 0.023 Johnson B CCD