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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 23514 MGW 2456653.6952 2013-12-27 04:41 9.859 0.002 Johnson B CCD
2 HD 23514 MGW 2456653.6949 2013-12-27 04:40 9.872 0.002 Johnson B CCD
3 HD 23514 MGW 2456653.6945 2013-12-27 04:40 9.874 0.002 Johnson B CCD
4 BD+20 307 MGW 2456653.6940 2013-12-27 04:39 9.032 0.001 Johnson V CCD
5 BD+20 307 MGW 2456653.6937 2013-12-27 04:38 9.033 0.001 Johnson V CCD
6 BD+20 307 MGW 2456653.6927 2013-12-27 04:37 9.036 0.001 Johnson V CCD
7 HD 15407A MGW 2456653.6919 2013-12-27 04:36 6.968 0.001 Johnson V CCD
8 HD 15407A MGW 2456653.6917 2013-12-27 04:36 6.968 0.001 Johnson V CCD
9 HD 15407A MGW 2456653.6916 2013-12-27 04:35 6.973 0.001 Johnson V CCD
10 HD 15407A MGW 2456653.6909 2013-12-27 04:34 7.357 0.002 Johnson B CCD
11 HD 15407A MGW 2456653.6908 2013-12-27 04:34 7.350 0.002 Johnson B CCD
12 HD 15407A MGW 2456653.6906 2013-12-27 04:34 7.320 0.002 Johnson B CCD
13 HD 23514 MJB 2456652.6112 2013-12-26 02:40 9.938 0.004 Johnson B CCD
14 HD 23514 MJB 2456652.6108 2013-12-26 02:39 9.431 0.006 Johnson V CCD
15 HD 23514 MJB 2456652.6105 2013-12-26 02:39 9.436 0.006 Johnson V CCD
16 HD 23514 MGW 2456651.6977 2013-12-25 04:44 9.408 0.002 Johnson V CCD
17 HD 23514 MGW 2456651.6972 2013-12-25 04:44 9.417 0.002 Johnson V CCD
18 HD 23514 MGW 2456651.6967 2013-12-25 04:43 9.407 0.002 Johnson V CCD
19 HD 23514 MGW 2456651.6960 2013-12-25 04:42 9.898 0.002 Johnson B CCD
20 HD 23514 MGW 2456651.6953 2013-12-25 04:41 9.903 0.002 Johnson B CCD
21 HD 23514 MGW 2456651.6950 2013-12-25 04:40 9.896 0.002 Johnson B CCD
22 BD+20 307 MGW 2456651.6945 2013-12-25 04:40 9.028 0.001 Johnson V CCD
23 BD+20 307 MGW 2456651.6942 2013-12-25 04:39 9.034 0.001 Johnson V CCD
24 BD+20 307 MGW 2456651.6939 2013-12-25 04:39 9.036 0.001 Johnson V CCD
25 HD 15407A MGW 2456651.6927 2013-12-25 04:37 7.009 0.001 Johnson V CCD