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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 867 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 V1687 CYG PGD 2457604.6137 2016-08-04 02:43 7.253 0.003 Johnson B PEP
2 V1687 CYG PGD 2457604.6137 2016-08-04 02:43 6.833 0.002 Johnson V PEP
3 V1687 CYG SRIC 2457604.7823 2016-08-04 06:46 7.395 0.012 Johnson B CCD
4 V1687 CYG SRIC 2457604.7828 2016-08-04 06:47 6.896 0.014 Johnson V CCD
5 V1687 CYG SRIC 2457604.7832 2016-08-04 06:47 6.431 0.017 Cousins R CCD
6 V1687 CYG SRIC 2457604.7834 2016-08-04 06:48 6.016 0.060 Cousins I CCD
7 V1687 CYG SRIC 2457605.6719 2016-08-05 04:07 7.241 0.012 Johnson B CCD
8 V1687 CYG SRIC 2457605.6722 2016-08-05 04:08 6.727 0.006 Johnson V CCD
9 V1687 CYG SRIC 2457605.6725 2016-08-05 04:08 6.239 0.067 Cousins R CCD
10 V1687 CYG SRIC 2457605.6728 2016-08-05 04:08 5.983 0.050 Cousins I CCD
11 V1687 CYG FRL 2457605.6249 2016-08-05 02:59 6.858 .011 Johnson V DSLR
12 V1687 CYG PGD 2457606.6399 2016-08-06 03:21 7.249 0.009 Johnson B PEP
13 V1687 CYG PGD 2457606.6399 2016-08-06 03:21 6.835 0.004 Johnson V PEP
14 V1687 Cyg RZD 2457606.4253 2016-08-05 22:12 6.901 0.001 Johnson V CCD
15 V1687 CYG PGD 2457607.6566 2016-08-07 03:45 7.251 0.004 Johnson B PEP
16 V1687 CYG PGD 2457607.6566 2016-08-07 03:45 6.826 0.003 Johnson V PEP
17 V1687 CYG CQP 2457609.3813 2016-08-08 21:09 6.8 N/A Visual Visual
18 V1687 CYG PGD 2457610.6597 2016-08-10 03:49 7.245 0.001 Johnson B PEP
19 V1687 CYG PGD 2457610.6597 2016-08-10 03:49 6.837 0.004 Johnson V PEP
20 V1687 CYG VOL 2457605.3682 2016-08-04 20:50 6.885 0.022 Johnson V CCD
21 V1687 CYG VOL 2457605.3700 2016-08-04 20:52 6.874 0.047 Johnson V CCD
22 V1687 CYG VOL 2457607.4010 2016-08-06 21:37 6.893 0.041 Johnson V CCD
23 V1687 CYG VOL 2457607.4027 2016-08-06 21:39 6.889 0.033 Johnson V CCD
24 V1687 CYG VOL 2457608.3369 2016-08-07 20:05 6.911 0.018 Johnson V CCD
25 V1687 CYG VOL 2457608.3385 2016-08-07 20:07 6.910 0.033 Johnson V CCD