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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 2456641.7352 2013-12-15 05:38 7.330 0.002 Johnson B CCD
2 HD 15407A MGW 2456641.7350 2013-12-15 05:38 7.359 0.002 Johnson B CCD
3 HD 23514 MGW 2456640.7398 2013-12-14 05:45 9.445 0.002 Johnson V CCD
4 HD 23514 MGW 2456640.7396 2013-12-14 05:44 9.445 0.002 Johnson V CCD
5 HD 23514 MGW 2456640.7393 2013-12-14 05:44 9.452 0.002 Johnson V CCD
6 HD 23514 MGW 2456640.7383 2013-12-14 05:43 9.946 0.002 Johnson B CCD
7 HD 23514 MGW 2456640.7374 2013-12-14 05:41 9.949 0.002 Johnson B CCD
8 HD 23514 MGW 2456640.7371 2013-12-14 05:41 9.942 0.002 Johnson B CCD
9 BD+20 307 MGW 2456640.7362 2013-12-14 05:40 9.024 0.001 Johnson V CCD
10 BD+20 307 MGW 2456640.7359 2013-12-14 05:39 9.030 0.001 Johnson V CCD
11 BD+20 307 MGW 2456640.7352 2013-12-14 05:38 9.031 0.001 Johnson V CCD
12 HD 15407A MGW 2456640.7347 2013-12-14 05:38 7.036 0.001 Johnson V CCD
13 HD 15407A MGW 2456640.7344 2013-12-14 05:37 7.021 0.001 Johnson V CCD
14 HD 15407A MGW 2456640.7343 2013-12-14 05:37 7.027 0.001 Johnson V CCD
15 HD 15407A MGW 2456640.7336 2013-12-14 05:36 7.387 0.002 Johnson B CCD
16 HD 15407A MGW 2456640.7335 2013-12-14 05:36 7.398 0.002 Johnson B CCD
17 HD 15407A MGW 2456640.7333 2013-12-14 05:35 7.386 0.002 Johnson B CCD
18 HD 23514 MGW 2456637.7406 2013-12-11 05:46 9.402 0.002 Johnson V CCD
19 HD 23514 MGW 2456637.7397 2013-12-11 05:45 9.391 0.002 Johnson V CCD
20 HD 23514 MGW 2456637.7394 2013-12-11 05:44 9.385 0.002 Johnson V CCD
21 HD 23514 MGW 2456637.7389 2013-12-11 05:44 9.872 0.002 Johnson B CCD
22 HD 23514 MGW 2456637.7385 2013-12-11 05:43 9.874 0.002 Johnson B CCD
23 HD 23514 MGW 2456637.7382 2013-12-11 05:42 9.869 0.002 Johnson B CCD
24 BD+20 307 MGW 2456637.7361 2013-12-11 05:40 9.030 0.001 Johnson V CCD
25 BD+20 307 MGW 2456637.7358 2013-12-11 05:39 9.026 0.001 Johnson V CCD