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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 19070 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 TT Ari QULA 2458106.4643 2017-12-18 23:08 10.934 0.005 Johnson V CCD
2 TT Ari QULA 2458106.4586 2017-12-18 23:00 10.855 0.005 Johnson V CCD
3 TT Ari QULA 2458106.4558 2017-12-18 22:56 10.873 0.005 Johnson V CCD
4 TT Ari QULA 2458106.4525 2017-12-18 22:51 10.873 0.006 Johnson V CCD
5 TT Ari QULA 2458106.4497 2017-12-18 22:47 10.813 0.006 Johnson V CCD
6 TT Ari QULA 2458106.4468 2017-12-18 22:43 10.833 0.005 Johnson V CCD
7 TT Ari QULA 2458106.4440 2017-12-18 22:39 10.845 0.004 Johnson V CCD
8 TT Ari QULA 2458106.4412 2017-12-18 22:35 10.777 0.004 Johnson V CCD
9 TT Ari QULA 2458106.4384 2017-12-18 22:31 10.760 0.004 Johnson V CCD
10 TT Ari QULA 2458106.4355 2017-12-18 22:27 10.784 0.003 Johnson V CCD
11 TT Ari QULA 2458106.4327 2017-12-18 22:23 10.792 0.004 Johnson V CCD
12 TT Ari QULA 2458106.4294 2017-12-18 22:18 10.776 0.005 Johnson V CCD
13 TT Ari QULA 2458106.4266 2017-12-18 22:14 10.775 0.005 Johnson V CCD
14 TT Ari QULA 2458106.4238 2017-12-18 22:10 10.712 0.004 Johnson V CCD
15 TT Ari QULA 2458106.4209 2017-12-18 22:06 10.754 0.004 Johnson V CCD
16 TT Ari OJR 2458106.4188 2017-12-18 22:03 10.9 N/A Visual Visual
17 TT Ari QULA 2458106.4181 2017-12-18 22:02 10.795 0.004 Johnson V CCD
18 TT Ari QULA 2458106.4153 2017-12-18 21:58 10.815 0.004 Johnson V CCD
19 TT Ari QULA 2458106.4125 2017-12-18 21:53 10.757 0.004 Johnson V CCD
20 TT Ari QULA 2458106.4092 2017-12-18 21:49 10.717 0.005 Johnson V CCD
21 TT Ari QULA 2458106.4063 2017-12-18 21:45 10.700 0.004 Johnson V CCD
22 TT Ari QULA 2458106.4035 2017-12-18 21:41 10.710 0.004 Johnson V CCD
23 TT Ari QULA 2458106.4007 2017-12-18 21:37 10.760 0.004 Johnson V CCD
24 TT Ari QULA 2458106.3979 2017-12-18 21:32 10.728 0.003 Johnson V CCD
25 TT Ari QULA 2458106.3950 2017-12-18 21:28 10.716 0.003 Johnson V CCD