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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 RZD 2456595.4467 2013-10-29 22:43 9.697 0.018 Cousins R CCD
2 RY Tau RZD 2456595.4443 2013-10-29 22:39 9.698 0.017 Cousins R CCD
3 RY Tau RZD 2456595.4402 2013-10-29 22:33 10.422 0.008 Johnson V CCD
4 RY Tau RZD 2456595.4375 2013-10-29 22:29 10.424 0.023 Johnson V CCD
5 DN Tau DKS 2456593.9423 2013-10-28 10:36 12.369 0.004 Johnson V CCD
6 DR Tau DKS 2456593.9382 2013-10-28 10:30 12.216 0.005 Johnson V CCD
7 DR Tau MZK 2456593.9165 2013-10-28 09:59 13.024 0.024 Johnson B CCD
8 DR Tau MZK 2456593.9152 2013-10-28 09:57 12.060 0.023 Johnson V CCD
9 DR Tau MZK 2456593.9128 2013-10-28 09:54 13.012 0.045 Johnson B CCD
10 DR Tau MZK 2456593.9114 2013-10-28 09:52 12.047 0.016 Johnson V CCD
11 DR Tau MZK 2456593.9090 2013-10-28 09:48 12.999 0.038 Johnson B CCD
12 DR Tau MZK 2456593.9076 2013-10-28 09:47 12.036 0.020 Johnson V CCD
13 RY Tau ROE 2456593.9035 2013-10-28 09:40 10.823 0.108 Johnson V CCD
14 DN Tau MZK 2456593.9014 2013-10-28 09:38 13.689 0.024 Johnson B CCD
15 DN Tau MZK 2456593.9001 2013-10-28 09:36 12.330 0.019 Johnson V CCD
16 DN Tau ROE 2456593.8945 2013-10-28 09:28 12.336 0.010 Johnson V CCD
17 RY Tau ROE 2456592.9093 2013-10-27 09:49 10.717 0.087 Johnson V CCD
18 DN Tau ROE 2456592.9004 2013-10-27 09:36 12.296 0.007 Johnson V CCD
19 DN Tau MJB 2456591.8342 2013-10-26 08:01 12.326 0.005 Johnson V CCD
20 RY Tau MJB 2456591.8274 2013-10-26 07:51 10.395 0.004 Johnson V CCD
21 DR Tau MJB 2456591.7705 2013-10-26 06:29 11.919 0.014 Johnson V CCD
22 DR Tau MJB 2456591.7685 2013-10-26 06:26 11.932 0.012 Johnson V CCD
23 RY Tau DKS 2456591.7276 2013-10-26 05:27 11.433 0.009 Johnson B CCD
24 RY Tau DKS 2456591.7233 2013-10-26 05:21 10.330 0.008 Johnson V CCD
25 DN Tau DKS 2456591.7196 2013-10-26 05:16 12.314 0.005 Johnson V CCD