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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 2457924.4951 2017-06-19 23:52 15.621 0.116 Johnson V CCD
2 ASASSN-V J180643.08-434135.9 HMB 2457924.4951 2017-06-19 23:52 13.313 0.018 Johnson V CCD
3 ASASSN-V J180409.17-433010.0 HMB 2457924.4951 2017-06-19 23:52 12.927 0.016 Johnson V CCD
4 ASASSN-V J180541.34-433021.1 HMB 2457924.4951 2017-06-19 23:52 15.358 0.083 Johnson V CCD
5 ASASSN-V J180331.74-432823.1 HMB 2457924.4951 2017-06-19 23:52 14.068 0.031 Johnson V CCD
6 ASASSN-V J180331.45-434530.6 HMB 2457924.4951 2017-06-19 23:52 13.903 0.025 Johnson V CCD
7 ASAS J180706-4347.3 HMB 2457924.4951 2017-06-19 23:52 13.652 0.021 Johnson V CCD
8 ASASSN-V J180614.18-435900.4 HMB 2457924.4951 2017-06-19 23:52 11.921 0.011 Johnson V CCD
9 ASAS J180536-4351.8 HMB 2457924.4951 2017-06-19 23:52 12.146 0.012 Johnson V CCD
10 ASAS J180705-4341.6 HMB 2457924.4951 2017-06-19 23:52 11.624 0.011 Johnson V CCD
11 ASAS J180659-4356.5 HMB 2457924.4951 2017-06-19 23:52 11.803 0.011 Johnson V CCD
12 ASASSN-V J180644.07-435446.3 HMB 2457924.4951 2017-06-19 23:52 14.201 0.029 Johnson V CCD
13 ASASSN-V J180427.74-435601.3 HMB 2457924.4951 2017-06-19 23:52 12.427 0.012 Johnson V CCD
14 ASAS J180431-4400.1 HMB 2457924.4951 2017-06-19 23:52 12.510 0.013 Johnson V CCD
15 ASASSN-V J180536.38-434050.0 HMB 2457924.4951 2017-06-19 23:52 12.822 0.015 Johnson V CCD
16 V0396 CrA HMB 2457924.4951 2017-06-19 23:52 14.072 0.031 Johnson V CCD
17 WW CrA HMB 2457924.4951 2017-06-19 23:52 12.020 0.009 Johnson V CCD
18 ASASSN-V J180624.20-441223.8 HMB 2457924.4951 2017-06-19 23:52 15.262 0.098 Johnson V CCD
19 Raf V116 RMH 2457924.4951 2017-06-19 23:52 14.8171 0.0694 Johnson V CCD
20 ASASSN-V J180521.55-434704.3 HMB 2457924.4951 2017-06-19 23:52 16.1611 0.2449 Johnson V CCD
21 WISE J180540.7-440542 HMB 2457924.4951 2017-06-19 23:52 14.997 0.0851 Johnson V CCD
22 WISE J180607.2-441142 RMH 2457924.4951 2017-06-19 23:52 15.0185 0.0959 Johnson V CCD
23 TCP J18154219+3515598 VMT 2457924.4949 2017-06-19 23:52 14.831 0.003 Johnson V CCD
24 W Dra DUBF 2457924.4949 2017-06-19 23:52 15.783 0.172 Johnson V CCD
25 TCP J18154219+3515598 MEV 2457924.4946 2017-06-19 23:52 14.8646 0.0089 CV CCD