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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 523 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 HL Tau LPAC 2458430.7340 2018-11-08 05:36 14.937 0.115 Johnson V CCD
2 XZ Tau LPAC 2458430.7340 2018-11-08 05:36 12.547 0.015 Johnson V CCD
3 HL Tau LPAC 2458430.7332 2018-11-08 05:35 14.752 0.123 Johnson V CCD
4 XZ Tau LPAC 2458430.7332 2018-11-08 05:35 12.426 0.017 Johnson V CCD
5 XZ Tau LPAC 2458430.7325 2018-11-08 05:34 12.587 0.016 Johnson V CCD
6 HL Tau LPAC 2458430.7325 2018-11-08 05:34 14.637 0.095 Johnson V CCD
7 HL Tau LPAC 2458430.7317 2018-11-08 05:33 14.460 0.081 Johnson V CCD
8 XZ Tau LPAC 2458430.7317 2018-11-08 05:33 12.575 0.016 Johnson V CCD
9 HL Tau LPAC 2458430.7310 2018-11-08 05:32 14.922 0.125 Johnson V CCD
10 XZ Tau LPAC 2458430.7310 2018-11-08 05:32 12.591 0.016 Johnson V CCD
11 HL Tau LPAC 2458430.7302 2018-11-08 05:31 14.195 0.075 Johnson V CCD
12 XZ Tau LPAC 2458430.7302 2018-11-08 05:31 12.480 0.017 Johnson V CCD
13 XZ Tau LPAC 2458430.7298 2018-11-08 05:30 12.671 0.022 Johnson V CCD
14 HL Tau LPAC 2458430.7298 2018-11-08 05:30 14.861 0.158 Johnson V CCD
15 HL Tau LPAC 2458430.7292 2018-11-08 05:30 14.383 0.115 Johnson V CCD
16 XZ Tau LPAC 2458430.7292 2018-11-08 05:30 12.608 0.025 Johnson V CCD
17 XZ Tau LPAC 2458430.7288 2018-11-08 05:29 12.488 0.022 Johnson V CCD
18 HL Tau LPAC 2458430.7288 2018-11-08 05:29 14.315 0.105 Johnson V CCD
19 HL Tau LPAC 2458430.7284 2018-11-08 05:28 14.458 0.128 Johnson V CCD
20 XZ Tau LPAC 2458430.7284 2018-11-08 05:28 12.438 0.023 Johnson V CCD
21 HL Tau LPAC 2458430.7280 2018-11-08 05:28 14.883 0.157 Johnson V CCD
22 XZ Tau LPAC 2458430.7280 2018-11-08 05:28 12.528 0.022 Johnson V CCD
23 XZ Tau LPAC 2458430.7268 2018-11-08 05:26 12.380 0.023 Johnson V CCD
24 HL Tau LPAC 2458430.7268 2018-11-08 05:26 14.082 0.103 Johnson V CCD
25 XZ Tau LPAC 2458430.7264 2018-11-08 05:26 12.721 0.023 Johnson V CCD