Search Data

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.

Looking for the old WebObs Search? Click here.

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.
Campaign overrides targets and dates.

Found 863 records.

# Target Observer Julian Date UTC Date Magnitude Type
1306357442 CI HYI HMB 2460564.7218 2024-09-11 05:19 9.291 2
1306357443 CI HYI HMB 2460564.7220 2024-09-11 05:19 9.729 2
1306357444 CI HYI HMB 2460564.7222 2024-09-11 05:19 10.848 2
1306357445 CI HYI HMB 2460564.7224 2024-09-11 05:20 10.958 2
1306379271 CI HYI HMB 2460566.7164 2024-09-13 05:11 9.345 2
1306379272 CI HYI HMB 2460566.7165 2024-09-13 05:11 9.358 2
1306379273 CI HYI HMB 2460566.7167 2024-09-13 05:12 10.926 2
1306379274 CI HYI HMB 2460566.7169 2024-09-13 05:12 10.922 2
1306379275 CI HYI HMB 2460566.7171 2024-09-13 05:12 7.620 2
1306379276 CI HYI HMB 2460566.7172 2024-09-13 05:12 7.628 2
1306385353 CI HYI JDAF 2460565.0793 2024-09-11 13:54 9.3375 2
1306385354 CI HYI JDAF 2460565.0879 2024-09-11 14:06 9.3311 2
1306385355 CI HYI JDAF 2460565.0971 2024-09-11 14:19 9.3177 2
1306385356 CI HYI JDAF 2460565.1071 2024-09-11 14:34 9.3099 2
1306385357 CI HYI JDAF 2460565.1159 2024-09-11 14:46 9.3214 2
1306385358 CI HYI JDAF 2460565.1252 2024-09-11 15:00 9.2907 2
1306385359 CI HYI JDAF 2460565.1345 2024-09-11 15:13 9.3096 2
1306385360 CI HYI JDAF 2460565.1433 2024-09-11 15:26 9.3039 2
1306385361 CI HYI JDAF 2460565.1526 2024-09-11 15:39 9.3449 2
1306385362 CI HYI JDAF 2460565.1636 2024-09-11 15:55 9.2599 2
1306385363 CI HYI JDAF 2460565.1722 2024-09-11 16:07 9.2703 2
1306385364 CI HYI JDAF 2460565.1825 2024-09-11 16:22 9.2968 2
1306385365 CI HYI JDAF 2460565.1925 2024-09-11 16:37 9.3022 2
1306385366 CI HYI JDAF 2460565.2011 2024-09-11 16:49 9.2932 2
1306385367 CI HYI JDAF 2460565.2105 2024-09-11 17:03 9.3352 2