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.

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Enter list of star names, comma separated.
Enter a date in natural language, jd, or utc format.
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Campaign overrides targets and dates.

Found 3880 records.

# Target Observer Julian Date UTC Date Magnitude Type
1287682933 RHO CAS KAD 2459500.3700 2021-10-12 4.9 1
1287682934 RHO CAS KAD 2459504.3600 2021-10-16 4.6 1
1287682935 RHO CAS KAD 2459505.3200 2021-10-17 4.6 1
1287682936 RHO CAS KAD 2459506.3200 2021-10-18 4.6 1
1287682937 RHO CAS KAD 2459507.4700 2021-10-19 4.6 1
1287682938 RHO CAS KAD 2459511.2800 2021-10-23 4.7 1
1287682939 RHO CAS KAD 2459512.3500 2021-10-24 4.7 1
1287682940 RHO CAS KAD 2459513.2000 2021-10-25 4.7 1
1287682941 RHO CAS KAD 2459515.4600 2021-10-27 4.8 1
1287682942 RHO CAS KAD 2459516.3100 2021-10-28 4.7 1
1287682943 RHO CAS KAD 2459517.3500 2021-10-29 4.6 1
1287682944 RHO CAS KAD 2459518.2300 2021-10-30 4.7 1
1287682945 RHO CAS KAD 2459519.3000 2021-10-31 4.6 1
1287685621 rho Cas BMIE 2459519.2931 2021-10-31 4.9 1
1287693670 rho cas SANG 2459521.0264 2021-11-02 4.7 1
1287694781 RHO CAS BBA 2459518.6542 2021-10-31 4.5 1
1287696566 RHO CAS DPV 2459496.5590 2021-10-09 4.57 1
1287696652 RHO CAS DPV 2459518.2604 2021-10-30 4.57 1
1287700191 RHO CAS KZAD 2459521.6646 2021-11-03 4.6 1
1287709707 rho CAS REE 2459521.2674 2021-11-02 4.9 1
1287712494 RHO CAS SDAB 2459498.4118 2021-10-10 4.8 1
1287712542 RHO CAS SDAB 2459521.3722 2021-11-02 4.6 1
1287727712 RHO CAS GGU 2459522.3063 2021-11-03 4.6 1
1287730273 rho CAS REE 2459523.3382 2021-11-04 4.7 1
1287734594 RHO CAS KPL 2459523.6292 2021-11-05 4.550 3