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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.

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.
Separate multiple observers with commas.
Campaign overrides targets and dates.

Found 104597 records

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# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 BI Lyr FDA 2457924.5000 2017-06-20 00:00 11.3 N/A Visual Visual
2 CV Lyr FDA 2457924.5000 2017-06-20 00:00 11.4 N/A Visual Visual
3 RZ Her FDA 2457924.5000 2017-06-20 00:00 9.7 N/A Visual Visual
4 SV Her FDA 2457924.5000 2017-06-20 00:00 <14.0 N/A Visual Visual
5 AO Lyr FDA 2457924.5000 2017-06-20 00:00 14.0 N/A Visual Visual
6 SU Her FDA 2457924.5000 2017-06-20 00:00 11.2 N/A Visual Visual
7 V0585 Lyr DPV 2457924.5000 2017-06-20 00:00 <15.1 N/A Visual Visual
8 DO Dra MNIC 2457924.4999 2017-06-19 23:59 16.887 0.073 Johnson V CCD
9 MM Lup HMB 2457924.4998 2017-06-19 23:59 12.234 0.012 Johnson V CCD
10 TCP J18154219+3515598 VMT 2457924.4994 2017-06-19 23:59 14.831 0.003 Johnson V CCD
11 TCP J18154219+3515598 MEV 2457924.4992 2017-06-19 23:58 14.8639 0.0092 CV CCD
12 DO Dra MNIC 2457924.4991 2017-06-19 23:58 17.080 0.082 Johnson V CCD
13 ASASSN-17hm HMB 2457924.4990 2017-06-19 23:58 14.995 0.018 CV CCD
14 AU Cyg MEV 2457924.4990 2017-06-19 23:58 12.46 0.05 TG CCD
15 TCP J18154219+3515598 MEV 2457924.4989 2017-06-19 23:58 14.8749 0.009 CV CCD
16 TCP J18154219+3515598 BSM 2457924.4987 2017-06-19 23:58 15.398 0.019 CV CCD
17 TCP J18154219+3515598 VMT 2457924.4987 2017-06-19 23:58 14.831 0.003 Johnson V CCD
18 V0587 Lyr DPV 2457924.4986 2017-06-19 23:57 <15.4 N/A Visual Visual
19 TCP J18154219+3515598 MEV 2457924.4985 2017-06-19 23:57 14.8362 0.0088 CV CCD
20 ASASSN-V J180624.20-441223.8 HMB 2457924.4984 2017-06-19 23:57 15.021 0.084 Johnson V CCD
21 Raf V116 RMH 2457924.4984 2017-06-19 23:57 14.875 0.0714 Johnson V CCD
22 ASASSN-V J180521.55-434704.3 HMB 2457924.4984 2017-06-19 23:57 16.4433 0.3167 Johnson V CCD
23 WISE J180540.7-440542 HMB 2457924.4984 2017-06-19 23:57 14.8994 0.0772 Johnson V CCD
24 WISE J180607.2-441142 RMH 2457924.4984 2017-06-19 23:57 14.9692 0.0900 Johnson V CCD
25 ASASSN-V J180600.80-433448.9 HMB 2457924.4984 2017-06-19 23:57 11.897 0.012 Johnson V CCD