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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 1838 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 BP Tau DKS 2459951.4835 2023-01-06 23:36 13.000 0.008 Johnson B CCD
2 BP Tau DKS 2459951.4805 2023-01-06 23:31 10.301 0.010 Cousins I CCD
3 BP Tau DKS 2459951.4791 2023-01-06 23:29 11.229 0.007 Cousins R CCD
4 BP Tau DKS 2459951.4774 2023-01-06 23:27 12.076 0.011 Johnson V CCD
5 BP Tau DANF 2459951.3368 2023-01-06 20:04 10.947 0.011 Sloan i CCD
6 BP Tau DANF 2459951.3363 2023-01-06 20:04 11.507 0.014 Sloan r CCD
7 BP Tau DANF 2459951.3360 2023-01-06 20:03 12.019 0.023 Johnson V CCD
8 BP Tau DANF 2459951.3356 2023-01-06 20:03 12.881 0.031 Johnson B CCD
9 BP Tau DANF 2459951.3296 2023-01-06 19:54 10.923 0.011 Sloan i CCD
10 BP Tau DANF 2459951.3292 2023-01-06 19:54 11.550 0.014 Sloan r CCD
11 BP Tau DANF 2459951.3289 2023-01-06 19:53 12.017 0.023 Johnson V CCD
12 BP Tau DANF 2459951.3285 2023-01-06 19:53 12.943 0.032 Johnson B CCD
13 BP Tau SJMJ 2459950.7157 2023-01-06 05:10 11.878 0.017 Johnson V CCD
14 BP Tau SJMJ 2459950.7108 2023-01-06 05:03 12.818 0.033 Johnson B CCD
15 BP Tau SJMJ 2459949.7157 2023-01-05 05:10 12.111 0.046 Johnson V CCD
16 BP Tau SJMJ 2459949.7107 2023-01-05 05:03 13.141 0.022 Johnson B CCD
17 BP Tau PEX 2459949.1065 2023-01-04 14:33 10.055 0.047 Cousins I CCD
18 BP Tau PEX 2459949.1059 2023-01-04 14:32 10.973 0.014 Cousins R CCD
19 BP Tau PEX 2459949.1051 2023-01-04 14:31 12.076 0.020 Johnson V CCD
20 BP Tau PEX 2459947.0498 2023-01-02 13:11 10.131 0.016 Cousins I CCD
21 BP Tau PEX 2459947.0492 2023-01-02 13:10 11.145 0.008 Cousins R CCD
22 BP Tau PEX 2459947.0484 2023-01-02 13:09 12.000 0.012 Johnson V CCD
23 BP Tau DKS 2459946.6343 2023-01-02 03:13 12.975 0.007 Johnson B CCD
24 BP Tau DKS 2459946.6312 2023-01-02 03:08 10.252 0.010 Cousins I CCD
25 BP Tau DKS 2459946.6289 2023-01-02 03:05 11.184 0.005 Cousins R CCD