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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.

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Found 8636 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 BP TAU SWIA 2456645.7687 2013-12-19 06:26 11.851 0.047 Johnson V CCD
2 BP TAU SWIA 2456645.7669 2013-12-19 06:24 12.711 0.011 Johnson B CCD
3 BP TAU BPO 2456646.3005 2013-12-19 19:12 11.838 0.039 Johnson V CCD
4 BP TAU AHM 2456645.5715 2013-12-19 01:42 12.591 0.024 Johnson B CCD
5 BP TAU AHM 2456645.5722 2013-12-19 01:43 11.824 0.014 Johnson V CCD
6 BP TAU DAND 2456646.1241 2013-12-19 14:58 11.731 0.016 Unfiltered with V Zeropoint CCD
7 BP TAU DAND 2456646.1253 2013-12-19 15:00 11.781 0.016 Unfiltered with V Zeropoint CCD
8 BP TAU DAND 2456646.1262 2013-12-19 15:01 11.789 0.016 Unfiltered with V Zeropoint CCD
9 BP TAU DAND 2456646.1272 2013-12-19 15:03 11.763 0.016 Unfiltered with V Zeropoint CCD
10 BP TAU JM 2456646.5899 2013-12-20 02:09 12.675 .02 Johnson B CCD
11 BP TAU JM 2456646.6270 2013-12-20 03:02 12.678 .02 Johnson B CCD
12 BP TAU JM 2456646.6711 2013-12-20 04:06 12.710 .02 Johnson B CCD
13 BP TAU JM 2456646.5934 2013-12-20 02:14 10.231 .02 Cousins I CCD
14 BP TAU JM 2456646.6305 2013-12-20 03:07 10.244 .02 Cousins I CCD
15 BP TAU JM 2456646.6746 2013-12-20 04:11 10.279 .02 Cousins I CCD
16 BP TAU JM 2456646.5923 2013-12-20 02:12 11.011 .02 Cousins R CCD
17 BP TAU JM 2456646.6294 2013-12-20 03:06 11.020 .02 Cousins R CCD
18 BP TAU JM 2456646.6736 2013-12-20 04:09 11.059 .02 Cousins R CCD
19 BP TAU JM 2456646.5913 2013-12-20 02:11 11.862 .02 Johnson V CCD
20 BP TAU JM 2456646.6284 2013-12-20 03:04 11.873 .02 Johnson V CCD
21 BP TAU JM 2456646.6725 2013-12-20 04:08 11.903 .02 Johnson V CCD
22 BP TAU BBI 2456646.2875 2013-12-19 18:54 11.6 N/A Visual Visual
23 BP TAU BBI 2456647.3986 2013-12-20 21:33 11.9 N/A Visual Visual
24 BP TAU BPO 2456647.3784 2013-12-20 21:04 11.920 0.022 Johnson V CCD
25 BP TAU KRAB 2456646.7620 2013-12-20 06:17 11.865 0.005 Johnson V CCD