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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 2456646.7332 2013-12-20 05:35 7.369 0.002 Johnson B CCD
2 HD 15407A MGW 2456646.7330 2013-12-20 05:35 7.367 0.002 Johnson B CCD
3 HD 15407A MGW 2456646.7329 2013-12-20 05:35 7.358 0.002 Johnson B CCD
4 HD 23514 MJB 2456645.6095 2013-12-19 02:37 9.921 0.005 Johnson B CCD
5 HD 23514 MJB 2456645.6088 2013-12-19 02:36 9.404 0.011 Johnson V CCD
6 HD 23514 MGW 2456643.7383 2013-12-17 05:43 9.423 0.002 Johnson V CCD
7 HD 23514 MGW 2456643.7381 2013-12-17 05:42 9.421 0.002 Johnson V CCD
8 HD 23514 MGW 2456643.7379 2013-12-17 05:42 9.418 0.002 Johnson V CCD
9 HD 23514 MGW 2456643.7374 2013-12-17 05:41 9.913 0.002 Johnson B CCD
10 HD 23514 MGW 2456643.7368 2013-12-17 05:41 9.930 0.002 Johnson B CCD
11 HD 23514 MGW 2456643.7365 2013-12-17 05:40 9.926 0.002 Johnson B CCD
12 BD+20 307 MGW 2456643.7357 2013-12-17 05:39 9.029 0.001 Johnson V CCD
13 BD+20 307 MGW 2456643.7354 2013-12-17 05:38 9.039 0.001 Johnson V CCD
14 BD+20 307 MGW 2456643.7351 2013-12-17 05:38 9.032 0.001 Johnson V CCD
15 HD 15407A MGW 2456643.7340 2013-12-17 05:36 7.013 0.001 Johnson V CCD
16 HD 15407A MGW 2456643.7338 2013-12-17 05:36 7.009 0.001 Johnson V CCD
17 HD 15407A MGW 2456643.7337 2013-12-17 05:36 7.001 0.001 Johnson V CCD
18 HD 15407A MGW 2456643.7328 2013-12-17 05:35 7.380 0.002 Johnson B CCD
19 HD 15407A MGW 2456643.7326 2013-12-17 05:35 7.379 0.002 Johnson B CCD
20 HD 15407A MGW 2456643.7325 2013-12-17 05:34 7.388 0.002 Johnson B CCD
21 HD 23514 MJB 2456643.6064 2013-12-17 02:33 9.939 0.005 Johnson B CCD
22 HD 23514 MJB 2456643.6057 2013-12-17 02:32 9.419 0.007 Johnson V CCD
23 HD 23514 MGW 2456642.7574 2013-12-16 06:10 9.422 0.002 Johnson V CCD
24 HD 23514 MGW 2456642.7567 2013-12-16 06:09 9.399 0.002 Johnson V CCD
25 HD 23514 MGW 2456642.7560 2013-12-16 06:08 9.407 0.002 Johnson V CCD