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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 VIVA 2460619.5827 2024-11-05 01:59 12.5213 0.5214 Johnson V CCD
2 HAT-P-23 VIVA 2460619.5827 2024-11-05 01:59 11.8705 0.2863 Johnson V CCD
3 HAT-P-23 VIVA 2460619.5828 2024-11-05 01:59 12.8626 0.7139 Johnson V CCD
4 HAT-P-23 VIVA 2460619.5828 2024-11-05 01:59 11.7267 0.2507 Johnson V CCD
5 HAT-P-23 VIVA 2460619.5829 2024-11-05 01:59 11.6327 0.2299 Johnson V CCD
6 HAT-P-23 VIVA 2460619.5829 2024-11-05 01:59 12.6342 0.5784 Johnson V CCD
7 HAT-P-23 VIVA 2460619.5830 2024-11-05 01:59 12.1497 0.3702 Johnson V CCD
8 HAT-P-23 VIVA 2460619.5830 2024-11-05 01:59 11.9696 0.3136 Johnson V CCD
9 HAT-P-23 VIVA 2460619.5831 2024-11-05 01:59 12.0441 0.3358 Johnson V CCD
10 HAT-P-23 VIVA 2460619.5831 2024-11-05 01:59 11.5875 0.2205 Johnson V CCD
11 HAT-P-23 VIVA 2460620.6163 2024-11-06 02:47 12.2879 0.1337 Johnson V CCD
12 HAT-P-23 VIVA 2460620.6163 2024-11-06 02:47 12.025 0.1050 Johnson V CCD
13 HAT-P-23 VIVA 2460620.6164 2024-11-06 02:47 12.0512 0.1075 Johnson V CCD
14 HAT-P-23 VIVA 2460620.6165 2024-11-06 02:47 12.0213 0.1046 Johnson V CCD
15 HAT-P-23 VIVA 2460620.6165 2024-11-06 02:47 12.0251 0.1050 Johnson V CCD
16 HAT-P-23 VIVA 2460620.6165 2024-11-06 02:47 12.2197 0.1256 Johnson V CCD
17 HAT-P-23 VIVA 2460620.6166 2024-11-06 02:47 12.3034 0.1356 Johnson V CCD
18 HAT-P-23 VIVA 2460620.6166 2024-11-06 02:47 12.1154 0.1141 Johnson V CCD
19 HAT-P-23 VIVA 2460620.6167 2024-11-06 02:48 12.1872 0.1219 Johnson V CCD
20 HAT-P-23 VIVA 2460620.6167 2024-11-06 02:48 12.1885 0.1220 Johnson V CCD
21 HAT-P-23 VIVA 2460620.6168 2024-11-06 02:48 12.2988 0.1351 Johnson V CCD
22 HAT-P-23 VIVA 2460620.6168 2024-11-06 02:48 12.2068 0.1241 Johnson V CCD
23 HAT-P-23 VIVA 2460620.6169 2024-11-06 02:48 12.0168 0.1042 Johnson V CCD
24 HAT-P-23 VIVA 2460620.6169 2024-11-06 02:48 12.1887 0.1220 Johnson V CCD
25 HAT-P-23 VIVA 2460620.6170 2024-11-06 02:48 12.1546 0.1183 Johnson V CCD