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
1293017919 TW HYA PEX 2459655.1007 2022-03-16 10.243 2
1293017920 TW HYA PEX 2459655.1012 2022-03-16 9.530 2
1293019608 TW HYA MGW 2459654.8985 2022-03-16 10.128 2
1293019609 TW HYA MGW 2459654.8982 2022-03-16 9.430 2
1293019610 TW HYA MGW 2459654.8978 2022-03-16 11.028 2
1293019611 TW HYA MGW 2459654.8976 2022-03-16 11.964 2
1293021432 TW HYA PEX 2459655.9988 2022-03-17 11.771 2
1293021433 TW HYA PEX 2459655.9994 2022-03-17 10.934 2
1293021434 TW HYA PEX 2459655.9998 2022-03-17 10.171 2
1293021435 TW HYA PEX 2459656.0002 2022-03-17 9.495 2
1293022243 TW HYA PEX 2459656.3256 2022-03-17 11.810 2
1293022244 TW HYA PEX 2459656.3262 2022-03-17 10.957 2
1293022245 TW HYA PEX 2459656.3267 2022-03-17 10.208 2
1293022246 TW HYA PEX 2459656.3271 2022-03-17 9.539 2
1293030125 TW HYA FMDC 2459657.0643 2022-03-18 9.149 2
1293030126 TW HYA FMDC 2459657.0582 2022-03-18 10.904 2
1293033885 TW HYA MGW 2459656.8984 2022-03-18 9.997 2
1293033886 TW HYA MGW 2459656.8981 2022-03-18 9.346 2
1293033887 TW HYA MGW 2459656.8978 2022-03-18 10.745 2
1293033888 TW HYA MGW 2459656.8975 2022-03-18 11.569 2
1293036894 TW HYA HMB 2459656.5725 2022-03-18 11.695 2
1293036895 TW HYA HMB 2459656.5728 2022-03-18 11.683 2
1293036896 TW HYA HMB 2459656.5732 2022-03-18 10.128 2
1293036897 TW HYA HMB 2459656.5734 2022-03-18 10.129 2
1293036898 TW HYA HMB 2459656.5737 2022-03-18 9.401 2