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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 5446 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 BP Tau HMB 2459915.6737 2022-12-02 04:10 13.136 0.016 Johnson B CCD
2 BP Tau HMB 2459915.6742 2022-12-02 04:10 12.149 0.009 Johnson V CCD
3 BP Tau HMB 2459915.6746 2022-12-02 04:11 10.309 0.009 Cousins I CCD
4 BP Tau DANF 2459915.8634 2022-12-02 08:43 12.572 0.022 Sloan g CCD
5 BP Tau DANF 2459915.8637 2022-12-02 08:43 11.548 0.012 Sloan r CCD
6 BP Tau DANF 2459915.8640 2022-12-02 08:44 10.950 0.009 Sloan i CCD
7 BP Tau DANF 2459916.7161 2022-12-03 05:11 13.063 0.038 Johnson B CCD
8 BP Tau DANF 2459916.7164 2022-12-03 05:11 12.134 0.023 Johnson V CCD
9 BP Tau DANF 2459916.7167 2022-12-03 05:12 11.613 0.011 Sloan r CCD
10 BP Tau DANF 2459916.7170 2022-12-03 05:12 10.993 0.010 Sloan i CCD
11 BP Tau DCMA 2459916.7237 2022-12-03 05:22 12.156 0.024 Johnson V CCD
12 BP Tau DANF 2459917.5036 2022-12-04 00:05 13.225 0.038 Johnson B CCD
13 BP Tau DANF 2459917.5040 2022-12-04 00:05 12.076 0.024 Johnson V CCD
14 BP Tau DANF 2459917.5044 2022-12-04 00:06 11.484 0.014 Sloan r CCD
15 BP Tau DANF 2459917.5047 2022-12-04 00:06 10.866 0.011 Sloan i CCD
16 BP Tau HMB 2459916.7685 2022-12-03 06:26 13.227 0.019 Johnson B CCD
17 BP Tau HMB 2459916.7691 2022-12-03 06:27 13.220 0.019 Johnson B CCD
18 BP Tau HMB 2459916.7696 2022-12-03 06:28 12.162 0.010 Johnson V CCD
19 BP Tau HMB 2459916.7700 2022-12-03 06:28 12.157 0.010 Johnson V CCD
20 BP Tau HMB 2459916.7703 2022-12-03 06:29 10.263 0.010 Cousins I CCD
21 BP Tau HMB 2459916.7706 2022-12-03 06:29 10.304 0.011 Cousins I CCD
22 BP Tau DKS 2459917.6622 2022-12-04 03:53 12.846 0.005 Johnson B CCD
23 BP Tau DKS 2459917.6562 2022-12-04 03:44 11.941 0.003 Johnson V CCD
24 BP Tau DKS 2459917.6584 2022-12-04 03:48 11.096 0.003 Cousins R CCD
25 BP Tau DKS 2459917.6598 2022-12-04 03:50 10.206 0.004 Cousins I CCD