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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 254 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 AM Her RSE 2453574.5969 2005-07-23 02:19 13.55 N/A Johnson V CCD
2 AM Her RSE 2453574.5949 2005-07-23 02:16 13.18 N/A Cousins R CCD
3 AM Her RSE 2453574.5928 2005-07-23 02:13 13.59 N/A Johnson V CCD
4 AM Her RSE 2453574.5907 2005-07-23 02:10 12.98 N/A Cousins R CCD
5 AM Her RSE 2453574.5887 2005-07-23 02:07 13.47 N/A Johnson V CCD
6 AM Her RSE 2453574.5866 2005-07-23 02:04 12.78 N/A Cousins R CCD
7 AM Her SFI 2453574.4689 2005-07-22 23:15 13.08 0.01 Cousins R CCD
8 AM Her MOI 2453573.4270 2005-07-21 22:14 13.5 N/A Visual Visual
9 AM Her PPS 2453573.3500 2005-07-21 20:24 13.5 N/A Visual Visual
10 AM Her HCS 2453573.3000 2005-07-21 19:11 13.5 N/A Visual Visual
11 AM Her RSE 2453572.7445 2005-07-21 05:52 13.99 N/A Johnson V CCD
12 AM Her RSE 2453572.7424 2005-07-21 05:49 13.64 N/A Cousins R CCD
13 AM Her RSE 2453572.7403 2005-07-21 05:46 13.96 N/A Johnson V CCD
14 AM Her RSE 2453572.7382 2005-07-21 05:43 13.55 N/A Cousins R CCD
15 AM Her RSE 2453572.7362 2005-07-21 05:40 13.94 N/A Johnson V CCD
16 AM Her RSE 2453572.7341 2005-07-21 05:37 13.42 N/A Cousins R CCD
17 AM Her RSE 2453572.7321 2005-07-21 05:34 13.81 N/A Johnson V CCD
18 AM Her RSE 2453572.7300 2005-07-21 05:31 13.32 N/A Cousins R CCD
19 AM Her RSE 2453572.7279 2005-07-21 05:28 13.79 N/A Johnson V CCD
20 AM Her RSE 2453572.7258 2005-07-21 05:25 13.25 N/A Cousins R CCD
21 AM Her RSE 2453572.7238 2005-07-21 05:22 13.57 N/A Johnson V CCD
22 AM Her RSE 2453572.7217 2005-07-21 05:19 13.01 N/A Cousins R CCD
23 AM Her RSE 2453572.7197 2005-07-21 05:16 13.58 N/A Johnson V CCD
24 AM Her RSE 2453572.7176 2005-07-21 05:13 12.96 N/A Cousins R CCD
25 AM Her RSE 2453572.7155 2005-07-21 05:10 13.52 N/A Johnson V CCD