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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 2160 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 CE Tau PPL 2458046.8370 2017-10-20 08:05 4.2 N/A Visual Visual
2 CE Tau NAO 2458047.4410 2017-10-20 22:34 5.550 0.084 Tri-Color Blue DSLR
3 CE Tau NAO 2458047.4410 2017-10-20 22:34 4.037 0.022 Tri-Color Red DSLR
4 CE Tau NAO 2458047.4410 2017-10-20 22:34 4.699 0.022 Tri-Color Green DSLR
5 CE Tau NAO 2458052.3847 2017-10-25 21:13 4.821 0.045 Tri-Color Green DSLR
6 CE Tau NAO 2458052.3847 2017-10-25 21:13 4.042 0.046 Tri-Color Red DSLR
7 CE Tau NAO 2458052.3847 2017-10-25 21:13 5.431 0.086 Tri-Color Blue DSLR
8 CE Tau BMGA 2458054.2319 2017-10-27 17:33 3.380 0.017 Tri-Color Red DSLR
9 CE Tau BMGA 2458054.2319 2017-10-27 17:33 6.197 0.013 Tri-Color Blue DSLR
10 CE Tau BMGA 2458054.2319 2017-10-27 17:33 4.409 0.015 Tri-Color Green DSLR
11 CE Tau BMGA 2458058.1972 2017-10-31 16:43 6.307 0.018 Tri-Color Blue DSLR
12 CE Tau BMGA 2458058.1972 2017-10-31 16:43 4.443 0.016 Tri-Color Green DSLR
13 CE Tau BMGA 2458058.1972 2017-10-31 16:43 3.035 0.022 Tri-Color Red DSLR
14 CE Tau QULA 2458068.4205 2017-11-10 22:05 6.226 0.047 Johnson B CCD
15 CE Tau QULA 2458068.4256 2017-11-10 22:12 6.245 0.048 Johnson B CCD
16 CE Tau QULA 2458068.4308 2017-11-10 22:20 6.222 0.010 Johnson B CCD
17 CE Tau QULA 2458068.4569 2017-11-10 22:57 6.281 0.012 Johnson B CCD
18 CE Tau QULA 2458068.4641 2017-11-10 23:08 6.263 0.008 Johnson B CCD
19 CE Tau QULA 2458068.4713 2017-11-10 23:18 6.258 0.010 Johnson B CCD
20 CE Tau QULA 2458068.4785 2017-11-10 23:29 6.248 0.010 Johnson B CCD
21 CE Tau QULA 2458068.4857 2017-11-10 23:39 6.206 0.014 Johnson B CCD
22 CE Tau QULA 2458068.4220 2017-11-10 22:07 2.043 0.004 Cousins I CCD
23 CE Tau QULA 2458068.4272 2017-11-10 22:15 2.074 0.005 Cousins I CCD
24 CE Tau QULA 2458068.4323 2017-11-10 22:22 2.068 0.006 Cousins I CCD
25 CE Tau QULA 2458068.4588 2017-11-10 23:00 2.029 0.013 Cousins I CCD