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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 69824 records

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# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 bet Peg SUS 2457744.5000 2016-12-22 00:00 2.7 N/A Visual Visual
2 CH Cyg SUS 2457744.5000 2016-12-22 00:00 8.7 N/A Visual Visual
3 BG Mon DXAA 2457744.5000 2016-12-22 00:00 10.75 N/A Visual Visual
4 GW UMa CDSA 2457744.5000 2016-12-21 23:59 9.708 0.026 CV CCD
5 TX UMa CDSA 2457744.5000 2016-12-21 23:59 8.659 0.025 CV CCD
6 MASTER OT J064725.70+491543.9 PXR 2457744.4999 2016-12-21 23:59 16.711 0.036 CV CCD
7 ASASSN-16os MLF 2457744.4999 2016-12-21 23:59 14.008 0.08 CR CCD
8 GW UMa CDSA 2457744.4997 2016-12-21 23:59 9.703 0.033 CV CCD
9 TX UMa CDSA 2457744.4997 2016-12-21 23:59 8.656 0.031 CV CCD
10 ASASSN-16os MLF 2457744.4996 2016-12-21 23:59 14.034 0.08 CR CCD
11 GW UMa CDSA 2457744.4995 2016-12-21 23:59 9.706 0.011 CV CCD
12 TX UMa CDSA 2457744.4995 2016-12-21 23:59 8.654 0.009 CV CCD
13 V0452 Cas BDG 2457744.4994 2016-12-21 23:59 15.756 0.029 Johnson V CCD
14 GW UMa CDSA 2457744.4993 2016-12-21 23:59 9.680 0.034 CV CCD
15 TX UMa CDSA 2457744.4993 2016-12-21 23:59 8.636 0.033 CV CCD
16 ASASSN-16os MLF 2457744.4992 2016-12-21 23:58 14.029 0.08 CR CCD
17 MASTER OT J064725.70+491543.9 PXR 2457744.4992 2016-12-21 23:58 16.760 0.037 CV CCD
18 GW UMa CDSA 2457744.4991 2016-12-21 23:58 9.717 0.023 CV CCD
19 TX UMa CDSA 2457744.4991 2016-12-21 23:58 8.663 0.023 CV CCD
20 ASASSN-16os MLF 2457744.4989 2016-12-21 23:58 14.003 0.08 CR CCD
21 GW UMa CDSA 2457744.4989 2016-12-21 23:58 9.693 0.019 CV CCD
22 TX UMa CDSA 2457744.4989 2016-12-21 23:58 8.658 0.017 CV CCD
23 V0452 Cas BDG 2457744.4987 2016-12-21 23:58 15.698 0.034 Johnson V CCD
24 GW UMa CDSA 2457744.4987 2016-12-21 23:58 9.688 0.024 CV CCD
25 FO Aqr LMA 2457744.4987 2016-12-21 23:58 13.500 0.015 Johnson V CCD