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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 BD+20 307 MGW 2456656.6957 2013-12-30 04:41 9.015 0.001 Johnson V CCD
2 BD+20 307 MGW 2456656.6946 2013-12-30 04:40 9.016 0.001 Johnson V CCD
3 BD+20 307 MGW 2456656.6943 2013-12-30 04:39 9.015 0.001 Johnson V CCD
4 HD 15407A MGW 2456656.6935 2013-12-30 04:38 6.998 0.001 Johnson V CCD
5 HD 15407A MGW 2456656.6932 2013-12-30 04:38 6.982 0.001 Johnson V CCD
6 HD 15407A MGW 2456656.6931 2013-12-30 04:38 6.982 0.001 Johnson V CCD
7 HD 15407A MGW 2456656.6926 2013-12-30 04:37 7.384 0.002 Johnson B CCD
8 HD 15407A MGW 2456656.6924 2013-12-30 04:37 7.320 0.002 Johnson B CCD
9 HD 15407A MGW 2456656.6920 2013-12-30 04:36 7.376 0.002 Johnson B CCD
10 HD 23514 MGW 2456654.7000 2013-12-28 04:47 9.404 0.002 Johnson V CCD
11 HD 23514 MGW 2456654.6996 2013-12-28 04:47 9.400 0.002 Johnson V CCD
12 HD 23514 MGW 2456654.6993 2013-12-28 04:46 9.401 0.002 Johnson V CCD
13 HD 23514 MGW 2456654.6989 2013-12-28 04:46 9.412 0.002 Johnson V CCD
14 HD 23514 MGW 2456654.6986 2013-12-28 04:45 9.404 0.002 Johnson V CCD
15 HD 23514 MGW 2456654.6980 2013-12-28 04:45 9.892 0.002 Johnson B CCD
16 HD 23514 MGW 2456654.6976 2013-12-28 04:44 9.893 0.002 Johnson B CCD
17 HD 23514 MGW 2456654.6973 2013-12-28 04:44 9.881 0.002 Johnson B CCD
18 HD 23514 MGW 2456654.6969 2013-12-28 04:43 9.892 0.002 Johnson B CCD
19 HD 23514 MGW 2456654.6965 2013-12-28 04:43 9.883 0.002 Johnson B CCD
20 HD 23514 MJB 2456654.6187 2013-12-28 02:50 9.921 0.004 Johnson B CCD
21 HD 23514 MJB 2456654.6182 2013-12-28 02:50 9.394 0.007 Johnson V CCD
22 HD 23514 MJB 2456654.6179 2013-12-28 02:49 9.413 0.006 Johnson V CCD
23 HD 23514 MGW 2456653.6970 2013-12-27 04:43 9.388 0.002 Johnson V CCD
24 HD 23514 MGW 2456653.6967 2013-12-27 04:43 9.379 0.002 Johnson V CCD
25 HD 23514 MGW 2456653.6962 2013-12-27 04:42 9.386 0.002 Johnson V CCD