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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 926 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 HD 15407A MGW 2456651.6924 2013-12-25 04:37 7.005 0.001 Johnson V CCD
2 HD 15407A MGW 2456651.6923 2013-12-25 04:36 7.029 0.001 Johnson V CCD
3 HD 15407A MGW 2456651.6916 2013-12-25 04:35 7.364 0.002 Johnson B CCD
4 HD 15407A MGW 2456651.6915 2013-12-25 04:35 7.368 0.002 Johnson B CCD
5 HD 15407A MGW 2456651.6912 2013-12-25 04:35 7.343 0.002 Johnson B CCD
6 HD 23514 MJB 2456650.7107 2013-12-24 05:03 9.961 0.004 Johnson B CCD
7 HD 23514 MJB 2456650.7103 2013-12-24 05:02 9.441 0.006 Johnson V CCD
8 HD 23514 MJB 2456650.7100 2013-12-24 05:02 9.445 0.006 Johnson V CCD
9 HD 23514 MGW 2456650.6967 2013-12-24 04:43 9.388 0.002 Johnson V CCD
10 HD 23514 MGW 2456650.6965 2013-12-24 04:42 9.402 0.002 Johnson V CCD
11 HD 23514 MGW 2456650.6963 2013-12-24 04:42 9.388 0.002 Johnson V CCD
12 HD 23514 MGW 2456650.6955 2013-12-24 04:41 9.891 0.002 Johnson B CCD
13 HD 23514 MGW 2456650.6952 2013-12-24 04:41 9.893 0.002 Johnson B CCD
14 HD 23514 MGW 2456650.6946 2013-12-24 04:40 9.888 0.002 Johnson B CCD
15 BD+20 307 MGW 2456650.6941 2013-12-24 04:39 9.018 0.001 Johnson V CCD
16 BD+20 307 MGW 2456650.6938 2013-12-24 04:39 9.003 0.001 Johnson V CCD
17 BD+20 307 MGW 2456650.6929 2013-12-24 04:37 9.012 0.001 Johnson V CCD
18 HD 15407A MGW 2456650.6924 2013-12-24 04:37 6.959 0.001 Johnson V CCD
19 HD 15407A MGW 2456650.6922 2013-12-24 04:36 6.985 0.001 Johnson V CCD
20 HD 15407A MGW 2456650.6921 2013-12-24 04:36 6.972 0.001 Johnson V CCD
21 HD 15407A MGW 2456650.6912 2013-12-24 04:35 7.349 0.002 Johnson B CCD
22 HD 15407A MGW 2456650.6911 2013-12-24 04:35 7.344 0.002 Johnson B CCD
23 HD 15407A MGW 2456650.6909 2013-12-24 04:34 7.348 0.002 Johnson B CCD
24 HD 23514 MGW 2456649.7061 2013-12-23 04:56 9.410 0.002 Johnson V CCD
25 HD 23514 MGW 2456649.7056 2013-12-23 04:56 9.412 0.002 Johnson V CCD