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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 2460634.3646 2024-11-19 20:45 12.140 0.010 Johnson V CCD
2 HAT-P-23 DFS 2460634.3645 2024-11-19 20:44 12.128 0.010 Johnson V CCD
3 HAT-P-23 RTH 2460634.3644 2024-11-19 20:44 12.195 0.014 Johnson V CCD
4 HAT-P-23 DFS 2460634.3643 2024-11-19 20:44 12.156 0.010 Johnson V CCD
5 HAT-P-23 DFS 2460634.3642 2024-11-19 20:44 12.104 0.010 Johnson V CCD
6 HAT-P-23 DFS 2460634.3640 2024-11-19 20:44 12.098 0.010 Johnson V CCD
7 HAT-P-23 RTH 2460634.3640 2024-11-19 20:44 12.211 0.018 Johnson V CCD
8 HAT-P-23 DFS 2460634.3638 2024-11-19 20:43 12.136 0.010 Johnson V CCD
9 HAT-P-23 DFS 2460634.3637 2024-11-19 20:43 12.116 0.010 Johnson V CCD
10 HAT-P-23 RTH 2460634.3635 2024-11-19 20:43 12.218 0.014 Johnson V CCD
11 HAT-P-23 DFS 2460634.3635 2024-11-19 20:43 12.121 0.010 Johnson V CCD
12 HAT-P-23 DFS 2460634.3634 2024-11-19 20:43 12.169 0.010 Johnson V CCD
13 HAT-P-23 DFS 2460634.3632 2024-11-19 20:42 12.151 0.010 Johnson V CCD
14 HAT-P-23 RTH 2460634.3631 2024-11-19 20:42 12.182 0.014 Johnson V CCD
15 HAT-P-23 DFS 2460634.3630 2024-11-19 20:42 12.141 0.010 Johnson V CCD
16 HAT-P-23 DFS 2460634.3629 2024-11-19 20:42 12.154 0.010 Johnson V CCD
17 HAT-P-23 DFS 2460634.3627 2024-11-19 20:42 12.144 0.010 Johnson V CCD
18 HAT-P-23 RTH 2460634.3627 2024-11-19 20:42 12.193 0.018 Johnson V CCD
19 HAT-P-23 DFS 2460634.3626 2024-11-19 20:42 12.130 0.010 Johnson V CCD
20 HAT-P-23 DFS 2460634.3624 2024-11-19 20:41 12.133 0.010 Johnson V CCD
21 HAT-P-23 RTH 2460634.3623 2024-11-19 20:41 12.226 0.020 Johnson V CCD
22 HAT-P-23 DFS 2460634.3622 2024-11-19 20:41 12.143 0.010 Johnson V CCD
23 HAT-P-23 DFS 2460634.3621 2024-11-19 20:41 12.143 0.010 Johnson V CCD
24 HAT-P-23 DFS 2460634.3619 2024-11-19 20:41 12.134 0.009 Johnson V CCD
25 HAT-P-23 RTH 2460634.3619 2024-11-19 20:41 12.197 0.015 Johnson V CCD