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 622 records.

# Target Observer Julian Date UTC Date Magnitude Type
1293225473 TW HYA DANF 2459677.5012 2022-04-08 00:01 10.122 2
1293225474 TW HYA DANF 2459677.5015 2022-04-08 00:02 9.791 2
1293228516 TW HYA HMB 2459677.5630 2022-04-08 01:30 11.377 2
1293228517 TW HYA HMB 2459677.5634 2022-04-08 01:31 11.377 2
1293228518 TW HYA HMB 2459677.5637 2022-04-08 01:31 10.002 2
1293228519 TW HYA HMB 2459677.5640 2022-04-08 01:32 9.997 2
1293228520 TW HYA HMB 2459677.5642 2022-04-08 01:32 9.348 2
1293228521 TW HYA HMB 2459677.5644 2022-04-08 01:32 9.335 2
1293228522 TW HYA HMB 2459677.5647 2022-04-08 01:33 10.686 2
1293228523 TW HYA HMB 2459677.5650 2022-04-08 01:33 10.696 2
1293230263 TW HYA PEX 2459678.2632 2022-04-08 18:18 11.571 2
1293230264 TW HYA PEX 2459678.2638 2022-04-08 18:19 10.830 2
1293230265 TW HYA PEX 2459678.2643 2022-04-08 18:20 10.133 2
1293230266 TW HYA PEX 2459678.2646 2022-04-08 18:21 9.424 2
1293230303 TW HYA DANF 2459678.4976 2022-04-08 23:56 11.834 2
1293230304 TW HYA DANF 2459678.4980 2022-04-08 23:57 10.956 2
1293230305 TW HYA DANF 2459678.4984 2022-04-08 23:57 10.395 2
1293230306 TW HYA DANF 2459678.4987 2022-04-08 23:58 9.951 2
1293347510 TW HYA PJAD 2459673.9093 2022-04-04 09:49 11.964 2
1293347511 TW HYA PJAD 2459673.9111 2022-04-04 09:52 11.012 2
1293347512 TW HYA PJAD 2459673.9126 2022-04-04 09:54 10.205 2
1293347513 TW HYA PJAD 2459673.9140 2022-04-04 09:56 9.446 2