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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 2584 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 BP Tau MPL 2456662.8115 2014-01-05 07:28 12.044 0.007 Johnson V CCD
2 BP Tau FFAD 2456662.5417 2014-01-05 01:00 11.5 N/A Visual Visual
3 BP Tau PXR 2456662.4561 2014-01-04 22:56 12.014 0.023 Johnson V CCD
4 BP Tau PXR 2456662.4553 2014-01-04 22:55 12.018 0.023 Johnson V CCD
5 BP Tau PXR 2456662.4545 2014-01-04 22:54 12.008 0.023 Johnson V CCD
6 BP Tau PXR 2456662.4537 2014-01-04 22:53 12.007 0.023 Johnson V CCD
7 BP Tau PXR 2456662.4530 2014-01-04 22:52 12.014 0.023 Johnson V CCD
8 BP Tau PXR 2456662.4521 2014-01-04 22:51 12.032 0.023 Johnson V CCD
9 BP Tau PXR 2456662.4512 2014-01-04 22:49 12.018 0.023 Johnson V CCD
10 BP Tau PXR 2456662.4503 2014-01-04 22:48 12.023 0.023 Johnson V CCD
11 BP Tau PXR 2456662.4488 2014-01-04 22:46 12.035 0.024 Johnson V CCD
12 BP Tau PKO 2456662.3004 2014-01-04 19:12 12.2 N/A Visual Visual
13 BP Tau FMAA 2456661.8570 2014-01-04 08:34 11.099 0.051 Cousins R CCD
14 BP Tau FMAA 2456661.8550 2014-01-04 08:31 11.888 0.072 Johnson V CCD
15 BP Tau JM 2456661.8511 2014-01-04 08:25 10.239 .02 Cousins I CCD
16 BP Tau JM 2456661.8498 2014-01-04 08:23 11.043 .02 Cousins R CCD
17 BP Tau JM 2456661.8484 2014-01-04 08:21 11.925 .02 Johnson V CCD
18 BP Tau JM 2456661.8465 2014-01-04 08:19 12.774 .02 Johnson B CCD
19 BP Tau JM 2456661.8259 2014-01-04 07:49 10.218 .02 Cousins I CCD
20 BP Tau JM 2456661.8245 2014-01-04 07:47 11.021 .02 Cousins R CCD
21 BP Tau JM 2456661.8232 2014-01-04 07:45 11.913 .02 Johnson V CCD
22 BP Tau JM 2456661.8213 2014-01-04 07:42 12.740 .02 Johnson B CCD
23 BP Tau JM 2456661.8007 2014-01-04 07:13 10.251 .02 Cousins I CCD
24 BP Tau FMAA 2456661.8000 2014-01-04 07:11 10.182 0.043 Cousins I CCD
25 BP Tau JM 2456661.7994 2014-01-04 07:11 11.072 .02 Cousins R CCD