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.

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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
1293186582 TW HYA MMEA 2459670.9174 2022-04-01 10:01 10.060 2
1293186583 TW HYA MMEA 2459670.9215 2022-04-01 10:06 11.540 2
1293186584 TW HYA MMEA 2459670.9255 2022-04-01 10:12 10.768 2
1293186585 TW HYA MMEA 2459670.9361 2022-04-01 10:27 11.545 2
1293186586 TW HYA MMEA 2459670.9402 2022-04-01 10:33 10.772 2
1293186587 TW HYA MMEA 2459670.9483 2022-04-01 10:45 11.524 2
1293186588 TW HYA MMEA 2459670.9524 2022-04-01 10:51 10.773 2
1293186589 TW HYA MMEA 2459670.9564 2022-04-01 10:57 10.081 2
1293186590 TW HYA MMEA 2459670.9606 2022-04-01 11:03 11.561 2
1293186591 TW HYA MMEA 2459670.9646 2022-04-01 11:08 10.767 2
1293186592 TW HYA MMEA 2459670.9853 2022-04-01 11:38 11.540 2
1293186593 TW HYA MMEA 2459670.9894 2022-04-01 11:44 10.768 2
1293186594 TW HYA MMEA 2459671.0309 2022-04-01 12:44 11.607 2
1293186595 TW HYA MMEA 2459671.0350 2022-04-01 12:50 10.803 2
1293188678 TW HYA DKS 2459665.6466 2022-03-27 03:31 12.232 2
1293188679 TW HYA DKS 2459665.6416 2022-03-27 03:23 11.156 2
1293188680 TW HYA DKS 2459665.6437 2022-03-27 03:26 9.522 2
1293191093 TW HYA DANF 2459671.5003 2022-04-02 00:00 11.880 2
1293191095 TW HYA DANF 2459671.5007 2022-04-02 00:00 10.825 2
1293191096 TW HYA DANF 2459671.5003 2022-04-02 00:00 11.163 2
1293191257 TW HYA MMOI 2459671.6882 2022-04-02 04:30 11.14 6
1293191679 TW HYA MGW 2459671.8694 2022-04-02 08:51 10.247 2
1293191680 TW HYA MGW 2459671.8690 2022-04-02 08:51 9.453 2
1293191681 TW HYA MGW 2459671.8687 2022-04-02 08:50 11.089 2
1293191682 TW HYA MGW 2459671.8684 2022-04-02 08:50 12.094 2