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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 1031 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 CI Hyi HMB 2460745.4868 2025-03-10 23:41 8.032 0.007 Cousins R CCD
2 CI Hyi HMB 2460745.4867 2025-03-10 23:40 8.039 0.007 Cousins R CCD
3 CI Hyi HMB 2460745.4865 2025-03-10 23:40 11.517 0.010 Johnson B CCD
4 CI Hyi HMB 2460745.4863 2025-03-10 23:40 11.545 0.010 Johnson B CCD
5 CI Hyi HMB 2460745.4861 2025-03-10 23:40 9.916 0.009 Johnson V CCD
6 CI Hyi HMB 2460745.4860 2025-03-10 23:39 9.926 0.009 Johnson V CCD
7 CI Hyi HMB 2460744.4926 2025-03-09 23:49 8.123 0.007 Cousins R CCD
8 CI Hyi HMB 2460744.4925 2025-03-09 23:49 8.073 0.007 Cousins R CCD
9 CI Hyi HMB 2460744.4923 2025-03-09 23:48 11.537 0.010 Johnson B CCD
10 CI Hyi HMB 2460744.4920 2025-03-09 23:48 11.469 0.010 Johnson B CCD
11 CI Hyi HMB 2460744.4918 2025-03-09 23:48 9.903 0.010 Johnson V CCD
12 CI Hyi HMB 2460743.4877 2025-03-08 23:42 8.092 0.007 Cousins R CCD
13 CI Hyi HMB 2460743.4876 2025-03-08 23:42 8.110 0.007 Cousins R CCD
14 CI Hyi HMB 2460743.4874 2025-03-08 23:41 11.549 0.010 Johnson B CCD
15 CI Hyi HMB 2460743.4872 2025-03-08 23:41 11.574 0.010 Johnson B CCD
16 CI Hyi HMB 2460743.4870 2025-03-08 23:41 9.956 0.009 Johnson V CCD
17 CI Hyi HMB 2460743.4869 2025-03-08 23:41 9.923 0.009 Johnson V CCD
18 CI Hyi HMB 2460741.4892 2025-03-06 23:44 8.008 0.008 Cousins R CCD
19 CI Hyi HMB 2460741.4891 2025-03-06 23:44 7.824 0.008 Cousins R CCD
20 CI Hyi HMB 2460741.4889 2025-03-06 23:44 11.556 0.012 Johnson B CCD
21 CI Hyi HMB 2460741.4887 2025-03-06 23:43 11.525 0.012 Johnson B CCD
22 CI Hyi HMB 2460741.4885 2025-03-06 23:43 9.981 0.010 Johnson V CCD
23 CI Hyi HMB 2460741.4884 2025-03-06 23:43 9.967 0.010 Johnson V CCD
24 CI Hyi HMB 2460739.4906 2025-03-04 23:46 6.886 0.011 Cousins R CCD
25 CI Hyi HMB 2460739.4905 2025-03-04 23:46 6.498 0.018 Cousins R CCD