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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 MJB 2458023.7352 2017-09-27 05:38 11.702 0.004 Johnson V CCD
2 HD 23514 MJB 2458022.7760 2017-09-26 06:37 9.415 0.005 Johnson V CCD
3 RZ Psc MJB 2458022.7466 2017-09-26 05:55 11.739 0.004 Johnson V CCD
4 RZ Psc MZK 2458021.7870 2017-09-25 06:53 12.485 0.009 Johnson B CCD
5 RZ Psc MZK 2458021.7856 2017-09-25 06:51 11.672 0.009 Johnson V CCD
6 HD 23514 MJB 2458021.7840 2017-09-25 06:48 9.424 0.005 Johnson V CCD
7 RZ Psc MJB 2458021.7363 2017-09-25 05:40 11.704 0.004 Johnson V CCD
8 HD 23514 MJB 2458020.7808 2017-09-24 06:44 9.430 0.005 Johnson V CCD
9 RZ Psc MJB 2458020.7360 2017-09-24 05:39 11.660 0.004 Johnson V CCD
10 RZ Psc MJB 2458019.7459 2017-09-23 05:54 11.589 0.004 Johnson V CCD
11 RZ Psc MJB 2458018.7319 2017-09-22 05:33 11.603 0.004 Johnson V CCD
12 RZ Psc MJB 2458017.7473 2017-09-21 05:56 11.665 0.004 Johnson V CCD
13 RZ Psc DERA 2458016.8323 2017-09-20 07:58 10.749 0.020 Cousins I CCD
14 RZ Psc DERA 2458016.8311 2017-09-20 07:56 11.587 0.023 Johnson V CCD
15 RZ Psc MJB 2458016.7377 2017-09-20 05:42 11.714 0.005 Johnson V CCD
16 RZ Psc MJB 2458015.7650 2017-09-19 06:21 11.625 0.004 Johnson V CCD
17 HD 23514 MJB 2458013.8733 2017-09-17 08:57 9.415 0.006 Johnson V CCD
18 RZ Psc MJB 2458013.7777 2017-09-17 06:39 11.613 0.004 Johnson V CCD
19 RZ Psc MJB 2458012.7691 2017-09-16 06:27 11.783 0.010 Johnson V CCD
20 RZ Psc DERA 2458010.9246 2017-09-14 10:11 10.730 0.011 Cousins I CCD
21 RZ Psc DERA 2458010.9234 2017-09-14 10:09 11.597 0.009 Johnson V CCD
22 HD 23514 MJB 2458010.8103 2017-09-14 07:26 9.419 0.005 Johnson V CCD
23 RZ Psc MJB 2458010.7646 2017-09-14 06:21 11.664 0.004 Johnson V CCD
24 HD 23514 MJB 2458007.8274 2017-09-11 07:51 9.431 0.005 Johnson V CCD
25 RZ Psc MJB 2458007.7668 2017-09-11 06:24 11.587 0.004 Johnson V CCD