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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 419 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 BP Tau MJB 2459468.8613 2021-09-11 08:40 12.057 0.005 Johnson V CCD
2 BP Tau KSLA 2459468.7070 2021-09-11 04:58 13.035 0.025 Johnson B CCD
3 BP Tau KSLA 2459468.7058 2021-09-11 04:56 11.234 0.0083 Cousins R CCD
4 BP Tau KSLA 2459468.7046 2021-09-11 04:54 12.145 0.017 Johnson V CCD
5 RU Lup HMB 2459468.5082 2021-09-11 00:11 10.309 0.006 Johnson V CCD
6 RU Lup HMB 2459468.5081 2021-09-11 00:11 10.306 0.006 Johnson V CCD
7 RU Lup HMB 2459468.5079 2021-09-11 00:11 9.183 0.009 Cousins I CCD
8 RU Lup HMB 2459468.5077 2021-09-11 00:11 9.187 0.009 Cousins I CCD
9 RU Lup HMB 2459468.5075 2021-09-11 00:10 9.827 0.005 Cousins R CCD
10 RU Lup HMB 2459468.5074 2021-09-11 00:10 9.834 0.005 Cousins R CCD
11 RU Lup HMB 2459468.5071 2021-09-11 00:10 10.730 0.007 Johnson B CCD
12 RU Lup HMB 2459468.5068 2021-09-11 00:09 10.734 0.007 Johnson B CCD
13 BP Tau MJB 2459467.8780 2021-09-10 09:04 12.213 0.004 Johnson V CCD
14 BP Tau DFS 2459467.6765 2021-09-10 04:14 11.396 0.007 Cousins R CCD
15 BP Tau DFS 2459467.6760 2021-09-10 04:13 13.227 0.010 Johnson B CCD
16 BP Tau DFS 2459467.6756 2021-09-10 04:12 12.235 0.008 Johnson V CCD
17 RU Lup HMB 2459467.5080 2021-09-10 00:11 10.650 0.007 Johnson V CCD
18 RU Lup HMB 2459467.5079 2021-09-10 00:11 10.633 0.007 Johnson V CCD
19 RU Lup HMB 2459467.5077 2021-09-10 00:11 9.424 0.009 Cousins I CCD
20 RU Lup HMB 2459467.5075 2021-09-10 00:10 9.419 0.009 Cousins I CCD
21 RU Lup HMB 2459467.5073 2021-09-10 00:10 10.118 0.006 Cousins R CCD
22 RU Lup HMB 2459467.5071 2021-09-10 00:10 10.116 0.006 Cousins R CCD
23 RU Lup HMB 2459467.5069 2021-09-10 00:09 11.089 0.007 Johnson B CCD
24 RU Lup HMB 2459467.5066 2021-09-10 00:09 11.085 0.007 Johnson B CCD
25 BP Tau MJB 2459466.8681 2021-09-09 08:50 12.089 0.003 Johnson V CCD