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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 7136 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 V1117 HER LMN 2459374.4386 2021-06-08 22:31 13.008 0.061 Cousins I CCD
2 V1117 HER LMN 2459374.4318 2021-06-08 22:21 14.432 0.081 Johnson B CCD
3 V1117 HER DFS 2459374.4294 2021-06-08 22:18 13.757 0.014 Johnson V CCD
4 V1117 HER DFS 2459374.4301 2021-06-08 22:19 14.542 0.015 Johnson B CCD
5 V1117 HER HMH 2459374.6499 2021-06-09 03:35 14.270 0.073 Johnson B CCD
6 V1117 HER HMH 2459374.6535 2021-06-09 03:41 13.777 0.059 Johnson V CCD
7 V1117 HER HMH 2459374.6572 2021-06-09 03:46 12.977 0.051 Cousins I CCD
8 V1117 HER HJW 2459374.6589 2021-06-09 03:48 12.988 0.020 Cousins I CCD
9 V1117 HER HJW 2459374.6604 2021-06-09 03:50 13.001 0.021 Cousins I CCD
10 V1117 HER HJW 2459374.6618 2021-06-09 03:53 13.003 0.020 Cousins I CCD
11 V1117 HER HJW 2459374.6633 2021-06-09 03:55 13.005 0.021 Cousins I CCD
12 V1117 HER HJW 2459374.6647 2021-06-09 03:57 13.002 0.015 Cousins I CCD
13 V1117 HER HJW 2459374.6662 2021-06-09 03:59 12.994 0.019 Cousins I CCD
14 V1117 HER HJW 2459374.6679 2021-06-09 04:01 13.719 0.017 Johnson V CCD
15 V1117 HER HJW 2459374.6693 2021-06-09 04:03 13.720 0.024 Johnson V CCD
16 V1117 HER HJW 2459374.6707 2021-06-09 04:05 13.709 0.019 Johnson V CCD
17 V1117 HER HJW 2459374.6722 2021-06-09 04:07 13.735 0.019 Johnson V CCD
18 V1117 HER HJW 2459374.6736 2021-06-09 04:10 13.728 0.011 Johnson V CCD
19 V1117 HER HJW 2459374.6751 2021-06-09 04:12 13.714 0.020 Johnson V CCD
20 V1117 HER PYG 2459374.4840 2021-06-08 23:36 13.9 N/A Visual Visual
21 V1117 HER POX 2459375.4812 2021-06-09 23:32 14.1 N/A Visual Visual
22 V1117 HER DFS 2459375.4307 2021-06-09 22:20 13.786 0.011 Johnson V CCD
23 V1117 HER DFS 2459375.4314 2021-06-09 22:21 14.516 0.012 Johnson B CCD
24 V1117 HER HMH 2459375.6481 2021-06-10 03:33 14.423 0.090 Johnson B CCD
25 V1117 HER HMH 2459375.6517 2021-06-10 03:38 13.973 0.067 Johnson V CCD