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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 BPEC 2459941.4892 2022-12-27 23:44 10.403 0.021 Cousins I CCD
2 BP Tau BPEC 2459941.4867 2022-12-27 23:40 11.200 0.017 Cousins R CCD
3 BP Tau BPEC 2459941.4842 2022-12-27 23:37 12.145 0.008 Johnson V CCD
4 BP Tau BPEC 2459941.4803 2022-12-27 23:31 13.093 0.010 Johnson B CCD
5 BP Tau PEX 2459941.0551 2022-12-27 13:19 10.386 0.008 Cousins I CCD
6 BP Tau PEX 2459941.0545 2022-12-27 13:18 11.303 0.005 Cousins R CCD
7 BP Tau PEX 2459941.0537 2022-12-27 13:17 12.268 0.004 Johnson V CCD
8 BP Tau PEX 2459941.0524 2022-12-27 13:15 13.216 0.007 Johnson B CCD
9 BP Tau PEX 2459941.0511 2022-12-27 13:13 10.398 0.008 Cousins I CCD
10 BP Tau PEX 2459941.0505 2022-12-27 13:12 11.308 0.004 Cousins R CCD
11 BP Tau PEX 2459941.0497 2022-12-27 13:11 12.232 0.005 Johnson V CCD
12 BP Tau PEX 2459941.0488 2022-12-27 13:10 13.232 0.012 Johnson B CCD
13 BP Tau SJMJ 2459940.7156 2022-12-27 05:10 12.218 0.058 Johnson V CCD
14 BP Tau SJMJ 2459940.7107 2022-12-27 05:03 13.278 0.016 Johnson B CCD
15 BP Tau KSLA 2459940.5879 2022-12-27 02:06 13.249 0.021 Johnson B CCD
16 BP Tau KSLA 2459940.5868 2022-12-27 02:05 12.239 0.014 Johnson V CCD
17 BP Tau KSLA 2459940.5858 2022-12-27 02:03 11.328 0.002 Cousins R CCD
18 BP Tau KSLA 2459940.5848 2022-12-27 02:02 10.382 0.009 Cousins I CCD
19 BP Tau PMAV 2459940.5019 2022-12-27 00:02 12.189 0.0047 Johnson V CCD
20 BP Tau MJZ 2459940.4069 2022-12-26 21:45 12.3 N/A Visual Visual
21 BP Tau POX 2459940.3875 2022-12-26 21:18 12.3 N/A Visual Visual
22 BP Tau FRGA 2459940.3827 2022-12-26 21:11 12.118 0.005 Johnson V CCD
23 BP Tau FRGA 2459940.3820 2022-12-26 21:10 12.128 0.005 Johnson V CCD
24 BP Tau FRGA 2459940.3812 2022-12-26 21:08 12.127 0.005 Johnson V CCD
25 BP Tau FRGA 2459940.3804 2022-12-26 21:07 12.120 0.005 Johnson V CCD