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 622 records.

# Target Observer Julian Date UTC Date Magnitude Type
1293196510 TW HYA HMB 2459672.5627 2022-04-03 01:30 11.249 2
1293196511 TW HYA HMB 2459672.5630 2022-04-03 01:30 11.253 2
1293198863 TW HYA MDJ 2459670.5364 2022-04-01 00:52 10.169 2
1293198864 TW HYA MDJ 2459670.5367 2022-04-01 00:52 10.174 2
1293198865 TW HYA MDJ 2459670.5370 2022-04-01 00:53 10.224 2
1293198866 TW HYA MDJ 2459670.5373 2022-04-01 00:53 10.233 2
1293198867 TW HYA MDJ 2459670.5375 2022-04-01 00:54 10.224 2
1293198868 TW HYA MDJ 2459670.5381 2022-04-01 00:54 10.225 2
1293198869 TW HYA MDJ 2459670.5386 2022-04-01 00:55 10.227 2
1293198870 TW HYA MDJ 2459670.5391 2022-04-01 00:56 10.218 2
1293198871 TW HYA MDJ 2459670.5394 2022-04-01 00:56 10.228 2
1293198872 TW HYA MDJ 2459670.5396 2022-04-01 00:57 10.168 2
1293198873 TW HYA MDJ 2459670.5399 2022-04-01 00:57 10.210 2
1293198874 TW HYA MDJ 2459670.5402 2022-04-01 00:57 10.232 2
1293198875 TW HYA MDJ 2459670.5404 2022-04-01 00:58 10.227 2
1293198876 TW HYA MDJ 2459670.5407 2022-04-01 00:58 10.219 2
1293198877 TW HYA MDJ 2459670.5410 2022-04-01 00:59 10.224 2
1293198878 TW HYA MDJ 2459670.5412 2022-04-01 00:59 10.227 2
1293198879 TW HYA MDJ 2459670.5415 2022-04-01 00:59 10.223 2
1293198931 TW HYA MDJ 2459671.6146 2022-04-02 02:45 10.355 2
1293198932 TW HYA MDJ 2459671.6147 2022-04-02 02:45 10.337 2
1293198933 TW HYA MDJ 2459671.6148 2022-04-02 02:45 10.334 2
1293198934 TW HYA MDJ 2459671.6149 2022-04-02 02:45 10.317 2
1293198935 TW HYA MDJ 2459671.6150 2022-04-02 02:45 10.349 2
1293198936 TW HYA MDJ 2459671.6151 2022-04-02 02:45 10.363 2