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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 CCHD 2459939.6072 2022-12-26 02:34 10.235 0.020 Cousins I CCD
2 BP Tau CCHD 2459939.6053 2022-12-26 02:31 11.123 0.020 Cousins R CCD
3 BP Tau CCHD 2459939.6036 2022-12-26 02:29 12.038 0.020 Johnson V CCD
4 BP Tau CCHD 2459939.6010 2022-12-26 02:25 13.029 0.021 Johnson B CCD
5 BP Tau BPEC 2459939.5560 2022-12-26 01:20 10.320 0.020 Cousins I CCD
6 BP Tau BPEC 2459939.5537 2022-12-26 01:17 11.110 0.016 Cousins R CCD
7 BP Tau BPEC 2459939.5512 2022-12-26 01:13 12.028 0.009 Johnson V CCD
8 BP Tau BPEC 2459939.5473 2022-12-26 01:08 12.981 0.008 Johnson B CCD
9 BP Tau BPEC 2459939.5164 2022-12-26 00:23 10.291 0.020 Cousins I CCD
10 BP Tau BPEC 2459939.5140 2022-12-26 00:20 11.077 0.016 Cousins R CCD
11 BP Tau BPEC 2459939.5115 2022-12-26 00:16 12.022 0.008 Johnson V CCD
12 BP Tau BPEC 2459939.5077 2022-12-26 00:11 12.981 0.008 Johnson B CCD
13 BP Tau BPEC 2459939.4697 2022-12-25 23:16 10.321 0.020 Cousins I CCD
14 BP Tau BPEC 2459939.4673 2022-12-25 23:12 11.099 0.016 Cousins R CCD
15 BP Tau BPEC 2459939.4648 2022-12-25 23:09 12.025 0.008 Johnson V CCD
16 BP Tau BPEC 2459939.4609 2022-12-25 23:03 12.958 0.007 Johnson B CCD
17 BP Tau MJZ 2459939.4111 2022-12-25 21:51 12.3 N/A Visual Visual
18 BP Tau PEX 2459939.0640 2022-12-25 13:32 10.247 0.006 Cousins I CCD
19 BP Tau PEX 2459939.0635 2022-12-25 13:31 11.158 0.003 Cousins R CCD
20 BP Tau PEX 2459939.0628 2022-12-25 13:30 12.053 0.004 Johnson V CCD
21 BP Tau KSLA 2459938.7853 2022-12-25 06:50 13.101 0.004 Johnson B CCD
22 BP Tau KSLA 2459938.7843 2022-12-25 06:49 12.110 0.005 Johnson V CCD
23 BP Tau KSLA 2459938.7832 2022-12-25 06:47 11.199 0.019 Cousins R CCD
24 BP Tau KSLA 2459938.7796 2022-12-25 06:42 10.283 0.004 Cousins I CCD
25 BP Tau SJMJ 2459938.7158 2022-12-25 05:10 12.040 0.017 Johnson V CCD