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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.
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Enter a date in natural language, jd, or utc format.
Separate multiple observers with commas.
Campaign overrides targets and dates.

Found 1838 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 BP Tau DKS 2459937.4725 2022-12-23 23:20 11.924 0.009 Johnson V CCD
2 BP Tau MJZ 2459937.3986 2022-12-23 21:33 12.2 N/A Visual Visual
3 BP Tau KSLA 2459936.7432 2022-12-23 05:50 13.027 0.020 Johnson B CCD
4 BP Tau KSLA 2459936.7422 2022-12-23 05:48 12.109 0.009 Johnson V CCD
5 BP Tau KSLA 2459936.7402 2022-12-23 05:45 10.334 0.026 Cousins I CCD
6 BP Tau KSLA 2459936.6597 2022-12-23 03:49 13.077 0.038 Johnson B CCD
7 BP Tau KSLA 2459936.6586 2022-12-23 03:48 12.159 0.006 Johnson V CCD
8 BP Tau KSLA 2459936.6576 2022-12-23 03:46 11.264 0.010 Cousins R CCD
9 BP Tau KSLA 2459936.6566 2022-12-23 03:45 10.368 0.010 Cousins I CCD
10 BP Tau BVS 2459936.6232 2022-12-23 02:57 10.322 0.1 Cousins I CCD
11 BP Tau BVS 2459936.6232 2022-12-23 02:57 11.204 0.1 Cousins R CCD
12 BP Tau BVS 2459936.6232 2022-12-23 02:57 12.104 0.1 Johnson V CCD
13 BP Tau BVS 2459936.6232 2022-12-23 02:57 13.067 0.1 Johnson B CCD
14 BP Tau DCMA 2459936.6098 2022-12-23 02:38 12.100 0.025 Johnson V CCD
15 BP Tau DANF 2459936.5006 2022-12-23 00:00 10.949 0.012 Sloan i CCD
16 BP Tau DANF 2459936.5001 2022-12-23 00:00 11.634 0.014 Sloan r CCD
17 BP Tau DANF 2459936.4998 2022-12-22 23:59 12.234 0.024 Johnson V CCD
18 BP Tau DANF 2459936.4994 2022-12-22 23:59 13.185 0.034 Johnson B CCD
19 BP Tau MJZ 2459936.4381 2022-12-22 22:30 12.8 N/A Visual Visual
20 BP Tau AKV 2459935.8958 2022-12-22 09:29 12.199 0.003 Johnson V CCD
21 BP Tau AKV 2459935.8950 2022-12-22 09:28 10.335 0.004 Cousins I CCD
22 BP Tau AKV 2459935.8942 2022-12-22 09:27 11.252 0.002 Cousins R CCD
23 BP Tau AKV 2459935.8933 2022-12-22 09:26 13.222 0.007 Johnson B CCD
24 BP Tau AKV 2459935.8923 2022-12-22 09:24 12.204 0.003 Johnson V CCD
25 BP Tau AKV 2459935.8915 2022-12-22 09:23 10.340 0.004 Cousins I CCD