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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 2456603.4489 2013-11-06 22:46 10.225 0.010 Johnson V CCD
2 DN Tau CFRA 2456603.4322 2013-11-06 22:22 13.586 0.005 Johnson B CCD
3 DN Tau CFRA 2456603.4099 2013-11-06 21:50 10.257 0.003 Cousins I CCD
4 DN Tau CFRA 2456603.4030 2013-11-06 21:40 11.267 0.004 Cousins R CCD
5 DN Tau CFRA 2456603.3913 2013-11-06 21:23 12.270 0.019 Johnson V CCD
6 RY Tau CFRA 2456603.3832 2013-11-06 21:11 8.900 0.001 Cousins I CCD
7 RY Tau CFRA 2456603.3782 2013-11-06 21:04 9.601 0.013 Cousins R CCD
8 RY Tau CFRA 2456603.3755 2013-11-06 21:00 10.239 0.002 Johnson V CCD
9 RY Tau CFRA 2456603.3702 2013-11-06 20:53 11.233 0.005 Johnson B CCD
10 RY Tau LTE 2456602.5840 2013-11-06 02:01 10.4 N/A Visual Visual
11 RY Tau PYG 2456601.4760 2013-11-04 23:25 10.4 N/A Visual Visual
12 DR Tau PYG 2456601.4760 2013-11-04 23:25 11.7 N/A Visual Visual
13 DR Tau PYG 2456601.4740 2013-11-04 23:22 12.0 N/A Visual Visual
14 RY Tau PYG 2456601.4730 2013-11-04 23:21 10.4 N/A Visual Visual
15 DN Tau PYG 2456601.4720 2013-11-04 23:19 12.2 N/A Visual Visual
16 RY Tau MCPA 2456600.7111 2013-11-04 05:03 10.5 N/A Visual Visual
17 DR Tau LTE 2456600.5833 2013-11-04 01:59 11.8 N/A Visual Visual
18 DN Tau LTE 2456600.5792 2013-11-04 01:54 12.4 N/A Visual Visual
19 RY Tau ROE 2456599.9536 2013-11-03 10:53 10.201 0.099 Johnson V CCD
20 DN Tau ROE 2456599.8942 2013-11-03 09:27 12.306 0.012 Johnson V CCD
21 DR Tau CFRA 2456599.5813 2013-11-03 01:57 10.405 0.005 Cousins I CCD
22 DR Tau CFRA 2456599.5658 2013-11-03 01:34 11.187 0.011 Cousins R CCD
23 DR Tau CFRA 2456599.5489 2013-11-03 01:10 11.924 0.007 Johnson V CCD
24 DR Tau CFRA 2456599.5396 2013-11-03 00:56 12.797 0.002 Johnson B CCD
25 DN Tau CFRA 2456599.5158 2013-11-03 00:22 10.301 0.001 Cousins I CCD