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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 2456642.7540 2013-12-16 06:05 9.927 0.002 Johnson B CCD
2 HD 23514 MGW 2456642.7534 2013-12-16 06:04 9.904 0.006 Johnson B CCD
3 HD 23514 MGW 2456642.7520 2013-12-16 06:02 9.913 0.002 Johnson B CCD
4 BD+20 307 MGW 2456642.7496 2013-12-16 05:59 9.055 0.001 Johnson V CCD
5 BD+20 307 MGW 2456642.7489 2013-12-16 05:58 9.052 0.001 Johnson V CCD
6 BD+20 307 MGW 2456642.7482 2013-12-16 05:57 9.053 0.001 Johnson V CCD
7 HD 15407A MGW 2456642.7469 2013-12-16 05:55 6.978 0.001 Johnson V CCD
8 HD 15407A MGW 2456642.7464 2013-12-16 05:54 6.998 0.001 Johnson V CCD
9 HD 15407A MGW 2456642.7456 2013-12-16 05:53 7.007 0.001 Johnson V CCD
10 HD 15407A MGW 2456642.7438 2013-12-16 05:51 7.364 0.002 Johnson B CCD
11 HD 15407A MGW 2456642.7432 2013-12-16 05:50 7.373 0.002 Johnson B CCD
12 HD 15407A MGW 2456642.7420 2013-12-16 05:48 7.374 0.002 Johnson B CCD
13 HD 23514 MGW 2456641.7426 2013-12-15 05:49 9.422 0.002 Johnson V CCD
14 HD 23514 MGW 2456641.7422 2013-12-15 05:48 9.425 0.002 Johnson V CCD
15 HD 23514 MGW 2456641.7419 2013-12-15 05:48 9.413 0.002 Johnson V CCD
16 HD 23514 MGW 2456641.7406 2013-12-15 05:46 9.925 0.002 Johnson B CCD
17 HD 23514 MGW 2456641.7399 2013-12-15 05:45 9.885 0.003 Johnson B CCD
18 HD 23514 MGW 2456641.7395 2013-12-15 05:44 9.879 0.002 Johnson B CCD
19 BD+20 307 MGW 2456641.7388 2013-12-15 05:43 9.039 0.001 Johnson V CCD
20 BD+20 307 MGW 2456641.7385 2013-12-15 05:43 9.034 0.001 Johnson V CCD
21 BD+20 307 MGW 2456641.7378 2013-12-15 05:42 9.033 0.002 Johnson V CCD
22 HD 15407A MGW 2456641.7369 2013-12-15 05:41 6.991 0.001 Johnson V CCD
23 HD 15407A MGW 2456641.7363 2013-12-15 05:40 6.947 0.001 Johnson V CCD
24 HD 15407A MGW 2456641.7360 2013-12-15 05:39 6.957 0.001 Johnson V CCD
25 HD 15407A MGW 2456641.7356 2013-12-15 05:39 7.384 0.002 Johnson B CCD