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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 AKV 2459935.6770 2022-12-22 04:14 12.159 0.003 Johnson V CCD
2 BP Tau CCHD 2459935.6769 2022-12-22 04:14 12.175 0.029 Johnson V CCD
3 BP Tau AKV 2459935.6761 2022-12-22 04:13 10.311 0.004 Cousins I CCD
4 BP Tau AKV 2459935.6754 2022-12-22 04:12 11.222 0.002 Cousins R CCD
5 BP Tau CCHD 2459935.6753 2022-12-22 04:12 13.281 0.023 Johnson B CCD
6 BP Tau AKV 2459935.6744 2022-12-22 04:11 13.244 0.006 Johnson B CCD
7 BP Tau AKV 2459935.6735 2022-12-22 04:09 12.156 0.003 Johnson V CCD
8 BP Tau PKT 2459935.6701 2022-12-22 04:05 12.218 0.039 TG DSLR
9 BP Tau AKV 2459935.6687 2022-12-22 04:02 10.313 0.015 Cousins I CCD
10 BP Tau AKV 2459935.6680 2022-12-22 04:01 11.228 0.002 Cousins R CCD
11 BP Tau AKV 2459935.6670 2022-12-22 04:00 13.211 0.006 Johnson B CCD
12 BP Tau AKV 2459935.6661 2022-12-22 03:59 12.162 0.003 Johnson V CCD
13 BP Tau AKV 2459935.6653 2022-12-22 03:57 10.316 0.004 Cousins I CCD
14 BP Tau AKV 2459935.6645 2022-12-22 03:56 11.233 0.002 Cousins R CCD
15 BP Tau AKV 2459935.6636 2022-12-22 03:55 13.254 0.006 Johnson B CCD
16 BP Tau AKV 2459935.6626 2022-12-22 03:54 12.158 0.003 Johnson V CCD
17 BP Tau AKV 2459935.6618 2022-12-22 03:52 10.302 0.004 Cousins I CCD
18 BP Tau AKV 2459935.6610 2022-12-22 03:51 11.222 0.002 Cousins R CCD
19 BP Tau AKV 2459935.6601 2022-12-22 03:50 13.235 0.006 Johnson B CCD
20 BP Tau AKV 2459935.6591 2022-12-22 03:49 12.163 0.003 Johnson V CCD
21 BP Tau AKV 2459935.6583 2022-12-22 03:47 10.312 0.004 Cousins I CCD
22 BP Tau AKV 2459935.6576 2022-12-22 03:46 11.229 0.002 Cousins R CCD
23 BP Tau AKV 2459935.6566 2022-12-22 03:45 13.251 0.006 Johnson B CCD
24 BP Tau AKV 2459935.6557 2022-12-22 03:44 12.166 0.003 Johnson V CCD
25 BP Tau AKV 2459935.6548 2022-12-22 03:42 10.310 0.004 Cousins I CCD