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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 2456649.7048 2013-12-23 04:54 9.413 0.002 Johnson V CCD
2 HD 23514 MGW 2456649.7041 2013-12-23 04:53 9.909 0.002 Johnson B CCD
3 HD 23514 MGW 2456649.7029 2013-12-23 04:52 9.910 0.002 Johnson B CCD
4 HD 23514 MGW 2456649.7025 2013-12-23 04:51 9.907 0.002 Johnson B CCD
5 BD+20 307 MGW 2456649.7014 2013-12-23 04:50 9.025 0.001 Johnson V CCD
6 BD+20 307 MGW 2456649.7006 2013-12-23 04:48 9.030 0.001 Johnson V CCD
7 BD+20 307 MGW 2456649.6992 2013-12-23 04:46 9.030 0.001 Johnson V CCD
8 HD 15407A MGW 2456649.6985 2013-12-23 04:45 7.014 0.001 Johnson V CCD
9 HD 15407A MGW 2456649.6981 2013-12-23 04:45 7.014 0.001 Johnson V CCD
10 HD 15407A MGW 2456649.6978 2013-12-23 04:44 7.000 0.001 Johnson V CCD
11 HD 15407A MGW 2456649.6960 2013-12-23 04:42 7.370 0.002 Johnson B CCD
12 HD 15407A MGW 2456649.6957 2013-12-23 04:41 7.371 0.002 Johnson B CCD
13 HD 15407A MGW 2456649.6953 2013-12-23 04:41 7.385 0.002 Johnson B CCD
14 HD 23514 MGW 2456646.7390 2013-12-20 05:44 9.390 0.002 Johnson V CCD
15 HD 23514 MGW 2456646.7388 2013-12-20 05:43 9.394 0.002 Johnson V CCD
16 HD 23514 MGW 2456646.7383 2013-12-20 05:43 9.393 0.002 Johnson V CCD
17 HD 23514 MGW 2456646.7371 2013-12-20 05:41 9.884 0.002 Johnson B CCD
18 HD 23514 MGW 2456646.7368 2013-12-20 05:40 9.898 0.002 Johnson B CCD
19 HD 23514 MGW 2456646.7365 2013-12-20 05:40 9.886 0.002 Johnson B CCD
20 BD+20 307 MGW 2456646.7359 2013-12-20 05:39 9.021 0.003 Johnson V CCD
21 BD+20 307 MGW 2456646.7353 2013-12-20 05:38 9.037 0.003 Johnson V CCD
22 BD+20 307 MGW 2456646.7350 2013-12-20 05:38 9.033 0.003 Johnson V CCD
23 HD 15407A MGW 2456646.7342 2013-12-20 05:37 6.938 0.011 Johnson V CCD
24 HD 15407A MGW 2456646.7338 2013-12-20 05:36 6.956 0.006 Johnson V CCD
25 HD 15407A MGW 2456646.7336 2013-12-20 05:36 6.952 0.007 Johnson V CCD