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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 3523 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 HAT-P-23 DFS 2460634.3704 2024-11-19 20:53 12.149 0.010 Johnson V CCD
2 HAT-P-23 DFS 2460634.3703 2024-11-19 20:53 12.154 0.010 Johnson V CCD
3 HAT-P-23 RTH 2460634.3702 2024-11-19 20:53 12.218 0.020 Johnson V CCD
4 HAT-P-23 DFS 2460634.3701 2024-11-19 20:52 12.129 0.010 Johnson V CCD
5 HAT-P-23 DFS 2460634.3700 2024-11-19 20:52 12.187 0.010 Johnson V CCD
6 HAT-P-23 DFS 2460634.3698 2024-11-19 20:52 12.151 0.010 Johnson V CCD
7 HAT-P-23 RTH 2460634.3698 2024-11-19 20:52 12.213 0.020 Johnson V CCD
8 HAT-P-23 DFS 2460634.3696 2024-11-19 20:52 12.133 0.010 Johnson V CCD
9 HAT-P-23 DFS 2460634.3695 2024-11-19 20:52 12.129 0.010 Johnson V CCD
10 HAT-P-23 RTH 2460634.3694 2024-11-19 20:51 12.182 0.026 Johnson V CCD
11 HAT-P-23 DFS 2460634.3693 2024-11-19 20:51 12.126 0.010 Johnson V CCD
12 HAT-P-23 DFS 2460634.3691 2024-11-19 20:51 12.161 0.010 Johnson V CCD
13 HAT-P-23 DFS 2460634.3690 2024-11-19 20:51 12.170 0.010 Johnson V CCD
14 HAT-P-23 RTH 2460634.3689 2024-11-19 20:51 12.252 0.018 Johnson V CCD
15 HAT-P-23 DFS 2460634.3688 2024-11-19 20:51 12.129 0.010 Johnson V CCD
16 HAT-P-23 DFS 2460634.3687 2024-11-19 20:50 12.164 0.010 Johnson V CCD
17 HAT-P-23 RTH 2460634.3685 2024-11-19 20:50 12.193 0.020 Johnson V CCD
18 HAT-P-23 DFS 2460634.3685 2024-11-19 20:50 12.153 0.010 Johnson V CCD
19 HAT-P-23 DFS 2460634.3683 2024-11-19 20:50 12.138 0.010 Johnson V CCD
20 HAT-P-23 DFS 2460634.3682 2024-11-19 20:50 12.141 0.010 Johnson V CCD
21 HAT-P-23 RTH 2460634.3681 2024-11-19 20:50 12.223 0.014 Johnson V CCD
22 HAT-P-23 DFS 2460634.3680 2024-11-19 20:49 12.147 0.010 Johnson V CCD
23 HAT-P-23 DFS 2460634.3679 2024-11-19 20:49 12.143 0.010 Johnson V CCD
24 HAT-P-23 RTH 2460634.3677 2024-11-19 20:49 12.229 0.016 Johnson V CCD
25 HAT-P-23 DFS 2460634.3677 2024-11-19 20:49 12.174 0.010 Johnson V CCD