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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 DN Tau CFRA 2456599.5016 2013-11-03 00:02 11.322 0.003 Cousins R CCD
2 DN Tau CFRA 2456599.4917 2013-11-02 23:47 12.339 0.012 Johnson V CCD
3 DN Tau CFRA 2456599.4740 2013-11-02 23:22 13.696 0.003 Johnson B CCD
4 RY Tau CFRA 2456599.4513 2013-11-02 22:49 8.864 0.008 Cousins I CCD
5 RY Tau CFRA 2456599.4464 2013-11-02 22:42 9.582 0.008 Cousins R CCD
6 RY Tau CFRA 2456599.4440 2013-11-02 22:39 10.216 0.007 Johnson V CCD
7 RY Tau CFRA 2456599.4367 2013-11-02 22:28 11.229 0.002 Johnson B CCD
8 DN Tau MZK 2456598.8896 2013-11-02 09:20 12.249 0.017 Johnson V CCD
9 DN Tau MJB 2456598.8760 2013-11-02 09:01 12.291 0.005 Johnson V CCD
10 RY Tau MJB 2456598.8719 2013-11-02 08:55 10.334 0.004 Johnson V CCD
11 DR Tau MJB 2456598.8474 2013-11-02 08:20 12.059 0.008 Johnson V CCD
12 DR Tau MJB 2456598.8454 2013-11-02 08:17 12.056 0.008 Johnson V CCD
13 DR Tau MJB 2456598.8434 2013-11-02 08:14 12.037 0.008 Johnson V CCD
14 RY Tau MCPA 2456598.7083 2013-11-02 04:59 10.5 N/A Visual Visual
15 DN Tau MJB 2456597.8527 2013-11-01 08:27 12.224 0.004 Johnson V CCD
16 RY Tau MJB 2456597.8486 2013-11-01 08:22 10.202 0.004 Johnson V CCD
17 DR Tau MJB 2456597.8263 2013-11-01 07:49 11.808 0.008 Johnson V CCD
18 DR Tau MJB 2456597.8243 2013-11-01 07:47 11.816 0.008 Johnson V CCD
19 DR Tau MJB 2456597.8223 2013-11-01 07:44 11.824 0.010 Johnson V CCD
20 DR Tau KTHA 2456597.6547 2013-11-01 03:42 10.993 0.058 Cousins R CCD
21 DR Tau KTHA 2456597.6547 2013-11-01 03:42 11.81 0.049 Johnson V CCD
22 DR Tau KTHA 2456597.6547 2013-11-01 03:42 12.739 0.017 Johnson B CCD
23 DN Tau CFRA 2456597.5748 2013-11-01 01:47 13.539 0.005 Johnson B CCD
24 RY Tau CFRA 2456597.5532 2013-11-01 01:16 10.176 0.002 Johnson V CCD
25 RY Tau CFRA 2456597.5505 2013-11-01 01:12 9.524 0.003 Cousins R CCD