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
1293096713 EL CHA HMB 2459648.5656 2022-03-10 13.238 2
1293096714 EL CHA HMB 2459648.5662 2022-03-10 13.252 2
1293096715 EL CHA HMB 2459648.5668 2022-03-10 11.948 2
1293096716 EL CHA HMB 2459648.5673 2022-03-10 11.936 2
1293096717 EL CHA HMB 2459652.5587 2022-03-14 14.159 2
1293096718 EL CHA HMB 2459652.5595 2022-03-14 14.111 2
1293096719 EL CHA HMB 2459652.5604 2022-03-14 15.103 2
1293096720 EL CHA HMB 2459652.5615 2022-03-14 15.657 2
1293096721 EL CHA HMB 2459652.5623 2022-03-14 13.148 2
1293096722 EL CHA HMB 2459652.5629 2022-03-14 13.256 2
1293096723 EL CHA HMB 2459652.5635 2022-03-14 11.778 2
1293096724 EL CHA HMB 2459652.5641 2022-03-14 12.097 2
1293096725 EL CHA HMB 2459656.5585 2022-03-18 14.154 2
1293096726 EL CHA HMB 2459656.5592 2022-03-18 14.144 2
1293096727 EL CHA HMB 2459656.5602 2022-03-18 15.652 2
1293096728 EL CHA HMB 2459656.5613 2022-03-18 15.395 2
1293096729 EL CHA HMB 2459656.5621 2022-03-18 13.203 2
1293096730 EL CHA HMB 2459656.5627 2022-03-18 13.235 2
1293096731 EL CHA HMB 2459656.5633 2022-03-18 11.954 2
1293096732 EL CHA HMB 2459656.5639 2022-03-18 11.919 2
1293096733 EL CHA HMB 2459657.5551 2022-03-19 14.178 2
1293096734 EL CHA HMB 2459657.5558 2022-03-19 14.141 2
1293096735 EL CHA HMB 2459657.5568 2022-03-19 15.600 2
1293096736 EL CHA HMB 2459657.5578 2022-03-19 15.766 2
1293096737 EL CHA HMB 2459657.5587 2022-03-19 13.268 2