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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 1035 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 CI Hyi HMB 2460702.5085 2025-01-27 00:12 11.453 0.007 Johnson B CCD
2 CI Hyi HMB 2460702.5083 2025-01-27 00:11 9.882 0.007 Johnson V CCD
3 CI Hyi HMB 2460702.5082 2025-01-27 00:11 9.863 0.007 Johnson V CCD
4 CI Hyi HMB 2460701.5094 2025-01-26 00:13 8.022 0.005 Cousins R CCD
5 CI Hyi HMB 2460701.5093 2025-01-26 00:13 8.024 0.005 Cousins R CCD
6 CI Hyi HMB 2460701.5091 2025-01-26 00:13 11.463 0.007 Johnson B CCD
7 CI Hyi HMB 2460701.5089 2025-01-26 00:12 11.427 0.007 Johnson B CCD
8 CI Hyi HMB 2460701.5087 2025-01-26 00:12 9.866 0.007 Johnson V CCD
9 CI Hyi HMB 2460701.5086 2025-01-26 00:12 9.884 0.007 Johnson V CCD
10 CI Hyi HMB 2460700.5093 2025-01-25 00:13 8.045 0.007 Cousins R CCD
11 CI Hyi HMB 2460700.5092 2025-01-25 00:13 7.977 0.007 Cousins R CCD
12 CI Hyi HMB 2460700.5090 2025-01-25 00:12 11.471 0.013 Johnson B CCD
13 CI Hyi HMB 2460700.5088 2025-01-25 00:12 11.447 0.013 Johnson B CCD
14 CI Hyi HMB 2460700.5086 2025-01-25 00:12 9.863 0.010 Johnson V CCD
15 CI Hyi HMB 2460700.5085 2025-01-25 00:12 9.930 0.011 Johnson V CCD
16 CI Hyi HMB 2460698.5100 2025-01-23 00:14 7.974 0.005 Cousins R CCD
17 CI Hyi HMB 2460698.5098 2025-01-23 00:14 8.004 0.005 Cousins R CCD
18 CI Hyi HMB 2460698.5096 2025-01-23 00:13 11.440 0.007 Johnson B CCD
19 CI Hyi HMB 2460698.5094 2025-01-23 00:13 11.448 0.007 Johnson B CCD
20 CI Hyi HMB 2460698.5092 2025-01-23 00:13 9.862 0.007 Johnson V CCD
21 CI Hyi HMB 2460698.5091 2025-01-23 00:13 9.856 0.007 Johnson V CCD
22 CI Hyi HMB 2460695.5108 2025-01-20 00:15 7.959 0.005 Cousins R CCD
23 CI Hyi HMB 2460695.5107 2025-01-20 00:15 7.975 0.005 Cousins R CCD
24 CI Hyi HMB 2460695.5105 2025-01-20 00:15 11.412 0.008 Johnson B CCD
25 CI Hyi HMB 2460695.5103 2025-01-20 00:14 11.412 0.008 Johnson B CCD