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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 13216 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 RY Tau PXR 2456604.4662 2013-11-07 23:11 10.237 0.069 Johnson V CCD
2 RY Tau PXR 2456604.4658 2013-11-07 23:10 10.178 0.069 Johnson V CCD
3 RY Tau PXR 2456604.4654 2013-11-07 23:10 10.160 0.069 Johnson V CCD
4 RY Tau PXR 2456604.4650 2013-11-07 23:09 10.194 0.069 Johnson V CCD
5 RY Tau PXR 2456604.0796 2013-11-07 13:54 10.174 0.136 Johnson V CCD
6 DR Tau PXR 2456604.0746 2013-11-07 13:47 11.472 0.060 Johnson V CCD
7 DR Tau PXR 2456604.0731 2013-11-07 13:45 11.473 0.032 Johnson V CCD
8 DN Tau PXR 2456604.0689 2013-11-07 13:39 12.240 0.027 Johnson V CCD
9 RY Tau MJB 2456603.8502 2013-11-07 08:24 10.151 0.009 Johnson V CCD
10 DR Tau MJB 2456603.7599 2013-11-07 06:14 11.524 0.013 Johnson V CCD
11 DN Tau MJB 2456603.7579 2013-11-07 06:11 12.244 0.005 Johnson V CCD
12 DR Tau GCO 2456603.5123 2013-11-07 00:17 9.985 0.079 Cousins I CCD
13 DR Tau GCO 2456603.5105 2013-11-07 00:15 10.702 0.05 Cousins R CCD
14 DR Tau GCO 2456603.5078 2013-11-07 00:11 11.396 0.03 Johnson V CCD
15 DR Tau GCO 2456603.4962 2013-11-06 23:54 12.178 0.048 Johnson B CCD
16 DN Tau GCO 2456603.4918 2013-11-06 23:48 12.232 0.022 Johnson V CCD
17 DN Tau GCO 2456603.4809 2013-11-06 23:32 13.51 0.03 Johnson B CCD
18 DR Tau CFRA 2456603.4766 2013-11-06 23:26 12.190 0.009 Johnson B CCD
19 DR Tau CFRA 2456603.4673 2013-11-06 23:12 10.043 0.003 Cousins I CCD
20 DN Tau RZD 2456603.4625 2013-11-06 23:06 11.226 0.011 Cousins R CCD
21 DN Tau RZD 2456603.4609 2013-11-06 23:03 12.253 0.024 Johnson V CCD
22 DR Tau CFRA 2456603.4599 2013-11-06 23:02 10.783 0.003 Cousins R CCD
23 RY Tau RZD 2456603.4559 2013-11-06 22:56 9.532 0.016 Cousins R CCD
24 DR Tau CFRA 2456603.4547 2013-11-06 22:54 11.435 0.008 Johnson V CCD
25 RY Tau RZD 2456603.4534 2013-11-06 22:52 10.225 0.015 Johnson V CCD