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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.

Note: Search parameters have been overridden by the selected campaign: Observations of a secondary eclipse of b Persei requested.
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 94142 records

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# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 AO Leo BOA 2457461.5000 2016-03-14 00:00 12.07 N/A TG CCD
2 X CrB WUB 2457461.5000 2016-03-14 00:00 12.0 N/A Visual Visual
3 W CrB WUB 2457461.5000 2016-03-14 00:00 13.3 N/A Visual Visual
4 V CrB WUB 2457461.5000 2016-03-14 00:00 10.7 N/A Visual Visual
5 S LMi QCTA 2457461.5000 2016-03-14 00:00 10.3 N/A Visual Visual
6 R Cnc QCTA 2457461.5000 2016-03-14 00:00 11.4 N/A Visual Visual
7 b Per LMA 2457461.5000 2016-03-13 23:59 4.607 0.004 Johnson V CCD
8 V0442 Cam CDZ 2457461.4999 2016-03-13 23:59 13.846 0.007 CV CCD
9 MU Cam CDZ 2457461.4999 2016-03-13 23:59 15.258 0.017 CV CCD
10 RS Boo ATE 2457461.4999 2016-03-13 23:59 10.464 0.006 Johnson V CCD
11 ASASSN-16da VMT 2457461.4998 2016-03-13 23:59 16.112 0.004 CV CCD
12 b Per LMA 2457461.4996 2016-03-13 23:59 4.626 0.004 Johnson V CCD
13 RZ LMi PXR 2457461.4996 2016-03-13 23:59 14.607 0.065 Johnson V CCD
14 OJ 287 GFDB 2457461.4995 2016-03-13 23:59 14.0309 0.0110 CV CCD
15 HV Vir MIW 2457461.4995 2016-03-13 23:59 12.882 0.008 Johnson V CCD
16 RS Boo ATE 2457461.4995 2016-03-13 23:59 10.468 0.006 Johnson V CCD
17 b Per LMA 2457461.4993 2016-03-13 23:58 4.601 0.004 Johnson V CCD
18 BX Pup HMB 2457461.4992 2016-03-13 23:58 15.425 0.029 Johnson V CCD
19 V0442 Cam CDZ 2457461.4991 2016-03-13 23:58 13.833 0.006 CV CCD
20 MU Cam CDZ 2457461.4991 2016-03-13 23:58 15.183 0.016 CV CCD
21 RS Boo ATE 2457461.4991 2016-03-13 23:58 10.467 0.006 Johnson V CCD
22 ASASSN-16da VMT 2457461.4990 2016-03-13 23:58 16.117 0.004 CV CCD
23 CP Leo BOA 2457461.4990 2016-03-13 23:58 12.78 N/A TG CCD
24 AU Leo BOA 2457461.4990 2016-03-13 23:58 16.94 N/A TG CCD
25 b Per LMA 2457461.4989 2016-03-13 23:58 4.607 0.004 Johnson V CCD