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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 5652 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 V1117 Her DGSA 2460828.4788 2025-06-01 23:29 12.437 0.006 Johnson V CCD
2 V1117 Her DFS 2460826.4042 2025-05-30 21:42 12.936 0.005 Johnson B CCD
3 V1117 Her DFS 2460826.4035 2025-05-30 21:41 12.367 0.006 Johnson V CCD
4 V1117 Her PYG 2460825.5007 2025-05-30 00:01 12.5 N/A Visual Visual
5 V1117 Her DFS 2460825.4034 2025-05-29 21:40 12.972 0.005 Johnson B CCD
6 V1117 Her DFS 2460825.4027 2025-05-29 21:39 12.411 0.005 Johnson V CCD
7 V1117 Her DFS 2460824.4021 2025-05-28 21:38 12.996 0.004 Johnson B CCD
8 V1117 Her DFS 2460824.4014 2025-05-28 21:38 12.431 0.005 Johnson V CCD
9 V1117 Her BPEC 2460823.6202 2025-05-28 02:53 12.805 0.006 Johnson B CCD
10 V1117 Her BPEC 2460823.6130 2025-05-28 02:42 12.511 0.007 Johnson V CCD
11 V1117 Her BPEC 2460823.6057 2025-05-28 02:32 12.255 0.007 Cousins R CCD
12 V1117 Her BPEC 2460823.5985 2025-05-28 02:21 12.016 0.015 Cousins I CCD
13 V1117 Her DFS 2460823.4028 2025-05-27 21:39 13.007 0.004 Johnson B CCD
14 V1117 Her DFS 2460823.4021 2025-05-27 21:38 12.445 0.005 Johnson V CCD
15 V1117 Her DFS 2460822.4017 2025-05-26 21:38 13.034 0.004 Johnson B CCD
16 V1117 Her DFS 2460822.4010 2025-05-26 21:37 12.467 0.004 Johnson V CCD
17 V1117 Her PYG 2460821.5500 2025-05-26 01:11 12.6 N/A Visual Visual
18 V1117 Her DGSA 2460821.4824 2025-05-25 23:34 12.558 0.006 Johnson V CCD
19 V1117 Her DFS 2460821.4016 2025-05-25 21:38 13.136 0.004 Johnson B CCD
20 V1117 Her DFS 2460821.4010 2025-05-25 21:37 12.542 0.005 Johnson V CCD
21 V1117 Her DFS 2460820.4044 2025-05-24 21:42 13.417 0.005 Johnson B CCD
22 V1117 Her DFS 2460820.4037 2025-05-24 21:41 12.794 0.005 Johnson V CCD
23 V1117 Her DFS 2460819.4031 2025-05-23 21:40 13.233 0.004 Johnson B CCD
24 V1117 Her DFS 2460819.4024 2025-05-23 21:39 12.629 0.005 Johnson V CCD
25 V1117 Her PYG 2460818.5007 2025-05-23 00:01 12.6 N/A Visual Visual