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 2603 records.

# Target Observer Julian Date UTC Date Magnitude Type
1293036899 TW HYA HMB 2459656.5739 2022-03-18 9.411 2
1293036900 TW HYA HMB 2459656.5742 2022-03-18 10.867 2
1293036901 TW HYA HMB 2459656.5744 2022-03-18 10.880 2
1293039895 TW HYA HMB 2459657.5691 2022-03-19 11.533 2
1293039896 TW HYA HMB 2459657.5694 2022-03-19 11.519 2
1293039897 TW HYA HMB 2459657.5698 2022-03-19 10.015 2
1293039898 TW HYA HMB 2459657.5700 2022-03-19 9.996 2
1293039899 TW HYA HMB 2459657.5703 2022-03-19 9.331 2
1293039900 TW HYA HMB 2459657.5705 2022-03-19 9.338 2
1293039901 TW HYA HMB 2459657.5708 2022-03-19 10.745 2
1293039902 TW HYA HMB 2459657.5710 2022-03-19 10.739 2
1293041346 TW HYA FMDC 2459658.0166 2022-03-19 11.205 2
1293041481 TW HYA FMDC 2459658.0129 2022-03-19 12.325 2
1293041628 TW HYA FMDC 2459658.0202 2022-03-19 10.409 2
1293041629 TW HYA FMDC 2459658.0237 2022-03-19 9.526 2
1293047238 TW HYA MGW 2459658.9336 2022-03-20 10.112 2
1293047239 TW HYA MGW 2459658.9332 2022-03-20 9.418 2
1293047240 TW HYA MGW 2459658.9329 2022-03-20 10.892 2
1293047241 TW HYA MGW 2459658.9326 2022-03-20 11.784 2
1293049183 TW HYA HMB 2459658.5686 2022-03-20 12.362 2
1293049184 TW HYA HMB 2459658.5690 2022-03-20 12.365 2
1293049185 TW HYA HMB 2459658.5694 2022-03-20 10.386 2
1293049186 TW HYA HMB 2459658.5696 2022-03-20 10.375 2
1293049187 TW HYA HMB 2459658.5699 2022-03-20 9.562 2
1293049188 TW HYA HMB 2459658.5701 2022-03-20 9.481 2