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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 1631 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 R Aqr CKB 2459191.5847 2020-12-08 02:01 11.8 N/A Visual Visual
2 R Aqr HMB 2459191.5020 2020-12-08 00:02 12.584 0.012 Johnson B CCD
3 R Aqr HMB 2459191.5018 2020-12-08 00:02 12.623 0.012 Johnson B CCD
4 R Aqr HMB 2459191.5016 2020-12-08 00:02 11.825 0.013 Johnson V CCD
5 R Aqr HMB 2459191.5015 2020-12-08 00:02 11.822 0.013 Johnson V CCD
6 R Aqr HKEB 2459191.3778 2020-12-07 21:04 12.338 0.184 Johnson B CCD
7 R Aqr CCHC 2459191.1096 2020-12-07 14:37 11.698 0.049 Johnson V CCD
8 R Aqr CCHC 2459191.1095 2020-12-07 14:37 11.755 0.049 Johnson V CCD
9 R Aqr CCHC 2459191.1064 2020-12-07 14:33 11.722 0.013 Johnson V CCD
10 R Aqr SFRA 2459191.1061 2020-12-07 14:32 11.718 0.037 Johnson V CCD
11 R Aqr CCHC 2459191.1060 2020-12-07 14:32 11.711 0.014 Johnson V CCD
12 R Aqr CCHC 2459191.1055 2020-12-07 14:31 12.725 0.018 Johnson B CCD
13 R Aqr CCHC 2459191.1050 2020-12-07 14:31 12.741 0.018 Johnson B CCD
14 R Aqr CCHC 2459191.0795 2020-12-07 13:54 12.716 0.014 Johnson B CCD
15 R Aqr CCHC 2459191.0787 2020-12-07 13:53 12.702 0.015 Johnson B CCD
16 R Aqr CCHC 2459191.0780 2020-12-07 13:52 11.730 0.010 Johnson V CCD
17 R Aqr SFRA 2459191.0776 2020-12-07 13:51 11.727 0.026 Johnson V CCD
18 R Aqr CCHC 2459191.0776 2020-12-07 13:51 11.717 0.010 Johnson V CCD
19 R Aqr HMB 2459190.5010 2020-12-07 00:01 12.615 0.012 Johnson B CCD
20 R Aqr HMB 2459190.5008 2020-12-07 00:01 12.581 0.012 Johnson B CCD
21 R Aqr HMB 2459190.5006 2020-12-07 00:00 11.827 0.012 Johnson V CCD
22 R Aqr HMB 2459190.5005 2020-12-07 00:00 11.845 0.013 Johnson V CCD
23 R Aqr PEX 2459190.0285 2020-12-06 12:41 12.0 N/A Visual Visual
24 R Aqr SFRA 2459189.6075 2020-12-06 02:34 6.692 0.076 Cousins I CCD
25 R Aqr SFRA 2459189.6060 2020-12-06 02:32 9.293 0.011 Cousins R CCD