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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 5119 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 EH Lib CMAE 2459744.3687 2022-06-13 20:50 10.0 N/A Visual Visual
2 EH Lib PDM 2459743.3793 2022-06-12 21:06 9.96 0.0169 Cousins R CCD
3 EH Lib PDM 2459743.3788 2022-06-12 21:05 9.9772 0.0148 Johnson V CCD
4 EH Lib PDM 2459743.3783 2022-06-12 21:04 10.3163 0.0198 Johnson B CCD
5 EH Lib PDM 2459743.3776 2022-06-12 21:03 10.0499 0.0287 Cousins I CCD
6 EH Lib PDM 2459743.3771 2022-06-12 21:02 9.9521 0.0198 Cousins R CCD
7 EH Lib PDM 2459743.3766 2022-06-12 21:02 10.0266 0.0201 Johnson V CCD
8 EH Lib PDM 2459743.3761 2022-06-12 21:01 10.3296 0.0318 Johnson B CCD
9 EH Lib PDM 2459743.3754 2022-06-12 21:00 10.0116 0.0421 Cousins I CCD
10 EH Lib PDM 2459743.3748 2022-06-12 20:59 9.9774 0.0225 Cousins R CCD
11 EH Lib PDM 2459743.3744 2022-06-12 20:59 9.997 0.0233 Johnson V CCD
12 EH Lib PDM 2459743.3739 2022-06-12 20:58 10.3123 0.0262 Johnson B CCD
13 EH Lib CMAE 2459742.3549 2022-06-11 20:30 9.9 N/A Visual Visual
14 EH Lib ATE 2459741.5634 2022-06-11 01:31 9.644 0.005 Johnson V CCD
15 EH Lib ATE 2459741.5631 2022-06-11 01:30 9.621 0.005 Johnson V CCD
16 EH Lib ATE 2459741.5628 2022-06-11 01:30 9.629 0.005 Johnson V CCD
17 EH Lib ATE 2459741.5625 2022-06-11 01:30 9.631 0.005 Johnson V CCD
18 EH Lib ATE 2459741.5622 2022-06-11 01:29 9.640 0.005 Johnson V CCD
19 EH Lib ATE 2459741.5620 2022-06-11 01:29 9.625 0.005 Johnson V CCD
20 EH Lib ATE 2459741.5617 2022-06-11 01:28 9.594 0.005 Johnson V CCD
21 EH Lib ATE 2459741.5614 2022-06-11 01:28 9.621 0.005 Johnson V CCD
22 EH Lib ATE 2459741.5611 2022-06-11 01:28 9.610 0.005 Johnson V CCD
23 EH Lib ATE 2459741.5609 2022-06-11 01:27 9.592 0.005 Johnson V CCD
24 EH Lib ATE 2459741.5606 2022-06-11 01:27 9.605 0.005 Johnson V CCD
25 EH Lib ATE 2459741.5603 2022-06-11 01:26 9.596 0.005 Johnson V CCD