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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.
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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 IY CrA HMB 2457924.4984 2017-06-19 23:57 15.698 0.111 Johnson V CCD
2 ASASSN-V J180643.08-434135.9 HMB 2457924.4984 2017-06-19 23:57 13.353 0.018 Johnson V CCD
3 ASASSN-V J180541.34-433021.1 HMB 2457924.4984 2017-06-19 23:57 15.526 0.094 Johnson V CCD
4 ASASSN-V J180331.74-432823.1 HMB 2457924.4984 2017-06-19 23:57 14.040 0.031 Johnson V CCD
5 ASASSN-V J180331.45-434530.6 HMB 2457924.4984 2017-06-19 23:57 13.898 0.025 Johnson V CCD
6 ASAS J180706-4347.3 HMB 2457924.4984 2017-06-19 23:57 13.628 0.020 Johnson V CCD
7 ASASSN-V J180614.18-435900.4 HMB 2457924.4984 2017-06-19 23:57 11.933 0.011 Johnson V CCD
8 ASAS J180536-4351.8 HMB 2457924.4984 2017-06-19 23:57 12.140 0.012 Johnson V CCD
9 ASAS J180705-4341.6 HMB 2457924.4984 2017-06-19 23:57 11.631 0.010 Johnson V CCD
10 ASAS J180659-4356.5 HMB 2457924.4984 2017-06-19 23:57 11.796 0.011 Johnson V CCD
11 ASASSN-V J180644.07-435446.3 HMB 2457924.4984 2017-06-19 23:57 14.099 0.027 Johnson V CCD
12 ASASSN-V J180427.74-435601.3 HMB 2457924.4984 2017-06-19 23:57 12.457 0.012 Johnson V CCD
13 ASAS J180431-4400.1 HMB 2457924.4984 2017-06-19 23:57 12.507 0.013 Johnson V CCD
14 ASASSN-V J180536.38-434050.0 HMB 2457924.4984 2017-06-19 23:57 12.866 0.015 Johnson V CCD
15 V0396 CrA HMB 2457924.4984 2017-06-19 23:57 14.150 0.032 Johnson V CCD
16 WW CrA HMB 2457924.4984 2017-06-19 23:57 12.022 0.009 Johnson V CCD
17 DO Dra MNIC 2457924.4983 2017-06-19 23:57 16.852 0.066 Johnson V CCD
18 TCP J18154219+3515598 MEV 2457924.4981 2017-06-19 23:57 14.8622 0.0092 CV CCD
19 AH Her BLQ 2457924.4980 2017-06-19 23:57 <13.3 N/A Visual Visual
20 TCP J18154219+3515598 VMT 2457924.4979 2017-06-19 23:57 14.818 0.003 Johnson V CCD
21 V1504 Cyg DPV 2457924.4979 2017-06-19 23:56 <15.3 N/A Visual Visual
22 NSV 20462 HMB 2457924.4978 2017-06-19 23:56 12.68 0.007 Johnson V CCD
23 MY Lup HMB 2457924.4978 2017-06-19 23:56 11.454 0.006 Johnson V CCD
24 ASASSN-V J155847.95-414652.1 HMB 2457924.4978 2017-06-19 23:56 14.436 0.027 Johnson V CCD
25 NSV 20468 HMB 2457924.4978 2017-06-19 23:56 14.600 0.028 Johnson V CCD