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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 2460690.5104 2025-01-15 00:14 11.353 0.007 Johnson B CCD
2 CI Hyi HMB 2460690.5102 2025-01-15 00:14 9.798 0.006 Johnson V CCD
3 CI Hyi HMB 2460690.5101 2025-01-15 00:14 9.756 0.006 Johnson V CCD
4 CI Hyi HMB 2460689.5114 2025-01-14 00:16 7.935 0.005 Cousins R CCD
5 CI Hyi HMB 2460689.5113 2025-01-14 00:16 7.940 0.005 Cousins R CCD
6 CI Hyi HMB 2460689.5111 2025-01-14 00:15 11.339 0.006 Johnson B CCD
7 CI Hyi HMB 2460689.5108 2025-01-14 00:15 11.345 0.006 Johnson B CCD
8 CI Hyi HMB 2460689.5107 2025-01-14 00:15 9.780 0.006 Johnson V CCD
9 CI Hyi HMB 2460689.5105 2025-01-14 00:15 9.770 0.006 Johnson V CCD
10 CI Hyi HMB 2460688.5113 2025-01-13 00:16 7.929 0.005 Cousins R CCD
11 CI Hyi HMB 2460688.5112 2025-01-13 00:16 7.952 0.005 Cousins R CCD
12 CI Hyi HMB 2460688.5110 2025-01-13 00:15 11.333 0.006 Johnson B CCD
13 CI Hyi HMB 2460688.5107 2025-01-13 00:15 11.329 0.006 Johnson B CCD
14 CI Hyi HMB 2460688.5105 2025-01-13 00:15 9.744 0.006 Johnson V CCD
15 CI Hyi HMB 2460688.5104 2025-01-13 00:15 9.753 0.006 Johnson V CCD
16 CI Hyi MEMC 2460688.1396 2025-01-12 15:21 11.245 0.007 Johnson B CCD
17 CI Hyi HMB 2460687.5109 2025-01-12 00:15 7.917 0.005 Cousins R CCD
18 CI Hyi HMB 2460687.5108 2025-01-12 00:15 7.945 0.005 Cousins R CCD
19 CI Hyi HMB 2460687.5106 2025-01-12 00:15 11.334 0.007 Johnson B CCD
20 CI Hyi HMB 2460687.5104 2025-01-12 00:14 11.327 0.007 Johnson B CCD
21 CI Hyi HMB 2460687.5102 2025-01-12 00:14 9.728 0.006 Johnson V CCD
22 CI Hyi HMB 2460687.5101 2025-01-12 00:14 9.707 0.006 Johnson V CCD
23 CI Hyi HMB 2460686.5110 2025-01-11 00:15 7.881 0.005 Cousins R CCD
24 CI Hyi HMB 2460686.5109 2025-01-11 00:15 7.887 0.005 Cousins R CCD
25 CI Hyi HMB 2460686.5107 2025-01-11 00:15 11.317 0.007 Johnson B CCD