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
1293119999 TW HYA HMB 2459663.5691 2022-03-25 11.047 2
1293120000 TW HYA HMB 2459663.5694 2022-03-25 11.064 2
1293124550 TW HYA MMEA 2459663.8930 2022-03-25 12.208 2
1293124551 TW HYA MMEA 2459663.8969 2022-03-25 11.189 2
1293124552 TW HYA MMEA 2459663.9009 2022-03-25 10.349 2
1293124553 TW HYA MMEA 2459663.9326 2022-03-25 12.245 2
1293124554 TW HYA MMEA 2459663.9366 2022-03-25 11.216 2
1293124555 TW HYA MMEA 2459663.9405 2022-03-25 10.369 2
1293124556 TW HYA MMEA 2459663.9756 2022-03-25 12.245 2
1293124557 TW HYA MMEA 2459663.9795 2022-03-25 11.216 2
1293124558 TW HYA MMEA 2459663.9835 2022-03-25 10.369 2
1293124559 TW HYA MMEA 2459664.0170 2022-03-25 12.226 2
1293124560 TW HYA MMEA 2459664.0210 2022-03-25 11.192 2
1293124561 TW HYA MMEA 2459664.0249 2022-03-25 10.356 2
1293124562 TW HYA MMEA 2459664.0569 2022-03-25 12.177 2
1293124563 TW HYA MMEA 2459664.0609 2022-03-25 11.164 2
1293124564 TW HYA MMEA 2459664.0649 2022-03-25 10.331 2
1293124565 TW HYA MMEA 2459664.1007 2022-03-25 12.142 2
1293124566 TW HYA MMEA 2459664.1047 2022-03-25 11.167 2
1293124567 TW HYA MMEA 2459664.1087 2022-03-25 10.330 2
1293124863 TW HYA DANF 2459664.5037 2022-03-26 12.252 2
1293124864 TW HYA DANF 2459664.5041 2022-03-26 11.136 2
1293124865 TW HYA DANF 2459664.5044 2022-03-26 10.514 2
1293124866 TW HYA DANF 2459664.5047 2022-03-26 9.934 2
1293126396 TW HYA HMB 2459664.5667 2022-03-26 12.212 2