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 3880 records.

# Target Observer Julian Date UTC Date Magnitude Type
1288406351 RHO CAS VOL 2459488.2712 2021-09-30 4.598 6
1288406352 RHO CAS VOL 2459490.2724 2021-10-02 4.593 6
1288406353 RHO CAS VOL 2459496.2531 2021-10-08 4.562 6
1288406354 RHO CAS VOL 2459501.4377 2021-10-13 4.540 6
1288406355 RHO CAS VOL 2459509.3634 2021-10-21 4.534 6
1288406356 RHO CAS VOL 2459510.2317 2021-10-22 4.549 6
1288406357 RHO CAS VOL 2459515.2210 2021-10-27 4.535 6
1288406358 RHO CAS VOL 2459516.2264 2021-10-28 4.543 6
1288406359 RHO CAS VOL 2459523.3939 2021-11-04 4.527 6
1288406360 RHO CAS VOL 2459525.2416 2021-11-06 4.521 6
1288406361 RHO CAS VOL 2459531.3794 2021-11-12 4.498 6
1288406362 RHO CAS VOL 2459537.2261 2021-11-18 4.462 6
1288406363 RHO CAS VOL 2459542.1959 2021-11-23 4.481 6
1288406364 RHO CAS VOL 2459543.2298 2021-11-24 4.491 6
1288406365 RHO CAS SMAI 2459541.3013 2021-11-22 5.769 2
1288406366 RHO CAS SMAI 2459541.2972 2021-11-22 3.296 2
1288406367 RHO CAS SMAI 2459541.2933 2021-11-22 3.645 2
1288406368 RHO CAS SMAI 2459541.3045 2021-11-22 6.397 2
1288406369 RHO CAS SMAI 2459541.2891 2021-11-22 4.491 2
1288420884 rho cas PMIE 2459547.6715 2021-11-29 4.7 1
1288422210 rho CAS REE 2459546.2389 2021-11-27 4.7 1
1288479935 Rho Cas MJZ 2459543.2777 2021-11-24 4.7 1
1288572826 rho Cas PBRA 2459548.6424 2021-11-30 5.0 1
1288624471 RHO CAS BHA 2459525.2060 2021-11-06 4.4 1
1288624472 RHO CAS BHA 2459531.2100 2021-11-12 4.5 1