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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 5022 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 RZ Psc POX 2458049.3080 2017-10-22 19:23 11.8 N/A Visual Visual
2 HD 23514 MJB 2458047.7881 2017-10-21 06:54 9.428 0.006 Johnson V CCD
3 RZ Psc TIA 2458047.3701 2017-10-20 20:53 12.29 0.015 Johnson B CCD
4 RZ Psc TIA 2458047.3701 2017-10-20 20:53 11.62 0.015 Johnson V CCD
5 RZ Psc MJB 2458046.6841 2017-10-20 04:25 11.620 0.005 Johnson V CCD
6 RZ Psc MJB 2458045.6960 2017-10-19 04:42 11.591 0.004 Johnson V CCD
7 RZ Psc DERA 2458044.5958 2017-10-18 02:18 10.718 0.012 Cousins I CCD
8 RZ Psc DERA 2458044.5947 2017-10-18 02:16 11.569 0.014 Johnson V CCD
9 RZ Psc MJB 2458043.7207 2017-10-17 05:17 11.652 0.004 Johnson V CCD
10 RZ Psc MJB 2458042.7369 2017-10-16 05:41 11.628 0.004 Johnson V CCD
11 RZ Psc TIA 2458042.4264 2017-10-15 22:14 11.61 0.015 Johnson V CCD
12 RZ Psc TIA 2458042.4264 2017-10-15 22:14 12.30 0.01 Johnson B CCD
13 RZ Psc MJB 2458041.7021 2017-10-15 04:51 11.603 0.007 Johnson V CCD
14 HD 23514 KJOA 2458041.6278 2017-10-15 03:04 9.400 0.002 Johnson V CCD
15 HD 15407A KJOA 2458041.5880 2017-10-15 02:06 7.700 0.002 Johnson V CCD
16 RZ Psc DERA 2458038.8556 2017-10-12 08:32 10.708 0.015 Cousins I CCD
17 RZ Psc DERA 2458038.8544 2017-10-12 08:30 11.622 0.015 Johnson V CCD
18 HD 23514 MJB 2458033.7611 2017-10-07 06:16 9.414 0.005 Johnson V CCD
19 RZ Psc MJB 2458033.7413 2017-10-07 05:47 11.622 0.005 Johnson V CCD
20 HD 23514 MJB 2458032.7601 2017-10-06 06:14 9.406 0.006 Johnson V CCD
21 RZ Psc MJB 2458032.7332 2017-10-06 05:35 11.669 0.007 Johnson V CCD
22 RZ Psc DERA 2458028.7913 2017-10-02 06:59 10.773 0.017 Cousins I CCD
23 RZ Psc DERA 2458028.7902 2017-10-02 06:57 11.689 0.016 Johnson V CCD
24 RZ Psc MJB 2458028.7498 2017-10-02 05:59 11.709 0.005 Johnson V CCD
25 HD 23514 MJB 2458023.7732 2017-09-27 06:33 9.426 0.006 Johnson V CCD