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
1287454817 RHO CAS BHA 2459467.2840 2021-09-09 4.5 1
1287454818 RHO CAS BHA 2459480.2660 2021-09-22 4.5 1
1287454819 RHO CAS BHA 2459483.2660 2021-09-25 4.5 1
1287456374 RHO CAS CKB 2459492.9257 2021-10-05 4.5 1
1287459124 RHO CAS JDAA 2459495.2854 2021-10-07 4.5 1
1287465829 rho Cas BMIE 2459493.2653 2021-10-05 4.9 1
1287467205 RHO CAS SRAB 2459458.4292 2021-08-31 4.8 1
1287468121 rho CAS PPL 2459493.5690 2021-10-06 4.9 1
1287469314 RHO CAS GGU 2459496.2924 2021-10-08 4.8 1
1287476100 Rho Cas DMIB 2459496.5743 2021-10-09 4.9 1
1287483225 rho CAS REE 2459498.2958 2021-10-10 4.8 1
1287484534 RHO CAS SMAI 2459496.2459 2021-10-08 5.889 2
1287484535 RHO CAS SMAI 2459496.2420 2021-10-08 3.333 2
1287484536 RHO CAS SMAI 2459496.2383 2021-10-08 3.682 2
1287484537 RHO CAS SMAI 2459496.2501 2021-10-08 6.551 2
1287484538 RHO CAS SMAI 2459496.2339 2021-10-08 4.542 2
1287489726 Rho cas MED 2459499.3576 2021-10-11 4.4 1
1287497605 Rho Cas KRIA 2459500.5882 2021-10-13 4.9 1
1287501730 RHO CAS SMAI 2459501.2320 2021-10-13 5.845 2
1287501731 RHO CAS SMAI 2459501.2428 2021-10-13 3.355 2
1287501732 RHO CAS SMAI 2459501.2389 2021-10-13 3.659 2
1287501733 RHO CAS SMAI 2459501.2350 2021-10-13 6.501 2
1287501734 RHO CAS SMAI 2459501.2274 2021-10-13 4.522 2
1287507804 RHO CAS CME 2459498.3799 2021-10-10 4.4 1
1287528782 rho CAS REE 2459503.2924 2021-10-15 4.8 1