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
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
1293198922 TW HYA MDJ 2459667.5482 2022-03-29 01:09 10.252 2
1293198923 TW HYA MDJ 2459667.5486 2022-03-29 01:09 10.263 2
1293198924 TW HYA MDJ 2459667.5490 2022-03-29 01:10 10.248 2
1293198925 TW HYA MDJ 2459667.5501 2022-03-29 01:12 10.250 2
1293198926 TW HYA MDJ 2459667.5505 2022-03-29 01:12 10.257 2
1293198927 TW HYA MDJ 2459667.5509 2022-03-29 01:13 10.255 2
1293198928 TW HYA MDJ 2459667.5517 2022-03-29 01:14 10.260 2
1293198929 TW HYA MDJ 2459667.5524 2022-03-29 01:15 10.257 2
1293198930 TW HYA MDJ 2459667.5532 2022-03-29 01:16 10.253 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
1293198937 TW HYA MDJ 2459671.6152 2022-04-02 02:45 10.332 2
1293198938 TW HYA MDJ 2459671.6153 2022-04-02 02:46 10.316 2
1293198939 TW HYA MDJ 2459671.6154 2022-04-02 02:46 10.326 2
1293198940 TW HYA MDJ 2459671.6155 2022-04-02 02:46 10.309 2
1293198941 TW HYA MDJ 2459671.6156 2022-04-02 02:46 10.324 2
1293198942 TW HYA MDJ 2459671.6157 2022-04-02 02:46 10.332 2
1293198943 TW HYA MDJ 2459671.6158 2022-04-02 02:46 10.303 2
1293198944 TW HYA MDJ 2459671.6158 2022-04-02 02:46 10.308 2