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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 DR Tau MZK 2456607.8665 2013-11-11 08:47 11.896 0.014 Johnson V CCD
2 DR Tau MZK 2456607.8641 2013-11-11 08:44 12.781 0.010 Johnson B CCD
3 DR Tau MZK 2456607.8627 2013-11-11 08:42 11.900 0.012 Johnson V CCD
4 DN Tau MZK 2456607.8566 2013-11-11 08:33 13.195 0.017 Johnson B CCD
5 DN Tau MZK 2456607.8552 2013-11-11 08:31 12.092 0.013 Johnson V CCD
6 RY Tau MJB 2456607.8032 2013-11-11 07:16 10.310 0.003 Johnson V CCD
7 DR Tau MJB 2456607.7073 2013-11-11 04:58 11.828 0.012 Johnson V CCD
8 DN Tau MJB 2456607.7056 2013-11-11 04:56 12.138 0.009 Johnson V CCD
9 RY Tau ROE 2456606.9506 2013-11-10 10:48 10.197 0.037 Johnson V CCD
10 DN Tau ROE 2456606.9417 2013-11-10 10:36 12.228 0.036 Johnson V CCD
11 RY Tau CFRA 2456606.3924 2013-11-09 21:25 8.795 0.004 Cousins I CCD
12 RY Tau CFRA 2456606.3898 2013-11-09 21:21 9.494 0.010 Cousins R CCD
13 RY Tau CFRA 2456606.3879 2013-11-09 21:18 10.138 0.008 Johnson V CCD
14 RY Tau CFRA 2456606.3845 2013-11-09 21:13 11.112 0.005 Johnson B CCD
15 RY Tau MJB 2456605.6656 2013-11-09 03:58 10.085 0.007 Johnson V CCD
16 DR Tau MJB 2456605.6626 2013-11-09 03:54 11.966 0.033 Johnson V CCD
17 DR Tau DKS 2456605.6175 2013-11-09 02:49 12.107 0.009 Johnson V CCD
18 RY Tau DKS 2456605.5887 2013-11-09 02:07 11.083 0.005 Johnson B CCD
19 RY Tau DKS 2456605.5844 2013-11-09 02:01 10.119 0.004 Johnson V CCD
20 DR Tau PYG 2456605.5470 2013-11-09 01:07 11.9 N/A Visual Visual
21 RY Tau PYG 2456605.5460 2013-11-09 01:06 10.3 N/A Visual Visual
22 DN Tau PYG 2456605.5440 2013-11-09 01:03 12.3 N/A Visual Visual
23 RY Tau ROE 2456604.9826 2013-11-08 11:34 10.157 0.091 Johnson V CCD
24 DN Tau ROE 2456604.9737 2013-11-08 11:22 12.360 0.006 Johnson V CCD
25 DR Tau MJB 2456604.8731 2013-11-08 08:57 11.645 0.008 Johnson V CCD