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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 2459932.4781 2022-12-18 23:28 11.167 0.004 Cousins R CCD
2 BP Tau DKS 2459932.4763 2022-12-18 23:25 12.021 0.007 Johnson V CCD
3 BP Tau MJZ 2459932.4298 2022-12-18 22:18 12.0 N/A Visual Visual
4 BP Tau FRGA 2459932.2842 2022-12-18 18:49 12.066 0.006 Johnson V CCD
5 BP Tau FRGA 2459932.2834 2022-12-18 18:48 12.066 0.006 Johnson V CCD
6 BP Tau FRGA 2459932.2826 2022-12-18 18:46 12.068 0.006 Johnson V CCD
7 BP Tau FRGA 2459932.2818 2022-12-18 18:45 12.065 0.006 Johnson V CCD
8 BP Tau FRGA 2459932.2810 2022-12-18 18:44 12.074 0.006 Johnson V CCD
9 BP Tau RBCA 2459931.6578 2022-12-18 03:47 10.192 0.017 Cousins I CCD
10 BP Tau RBCA 2459931.6505 2022-12-18 03:36 12.956 0.011 Johnson B CCD
11 BP Tau RBCA 2459931.6432 2022-12-18 03:26 11.997 0.016 Johnson V CCD
12 BP Tau CCHD 2459931.6417 2022-12-18 03:24 10.218 0.008 Cousins I CCD
13 BP Tau CCHD 2459931.6404 2022-12-18 03:22 11.080 0.011 Cousins R CCD
14 BP Tau CCHD 2459931.6386 2022-12-18 03:19 12.000 0.023 Johnson V CCD
15 BP Tau PJEE 2459931.6374 2022-12-18 03:17 12.044 0.0364 Johnson V CCD
16 BP Tau CCHD 2459931.6370 2022-12-18 03:17 13.007 0.017 Johnson B CCD
17 BP Tau PJEE 2459931.6346 2022-12-18 03:13 12.081 0.0364 Johnson V CCD
18 BP Tau PJEE 2459931.6233 2022-12-18 02:57 11.641 0.0364 Johnson V CCD
19 BP Tau PJEE 2459931.6221 2022-12-18 02:55 11.959 0.0364 Johnson V CCD
20 BP Tau PJEE 2459931.6198 2022-12-18 02:52 12.101 0.0364 Johnson V CCD
21 BP Tau PJEE 2459931.6174 2022-12-18 02:49 11.936 0.0364 Johnson V CCD
22 BP Tau PJEE 2459931.6147 2022-12-18 02:45 12.002 0.0364 Johnson V CCD
23 BP Tau PJEE 2459931.6104 2022-12-18 02:38 12.012 0.0364 Johnson V CCD
24 BP Tau PJEE 2459931.6053 2022-12-18 02:31 11.882 0.0364 Johnson V CCD
25 BP Tau LDRB 2459931.5315 2022-12-18 00:45 11.915 0.006 Johnson V CCD