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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 2453572.6682 2005-07-21 04:02 13.43 N/A Cousins R CCD
2 AM Her RSE 2453572.6661 2005-07-21 03:59 13.90 N/A Johnson V CCD
3 AM Her RSE 2453572.6640 2005-07-21 03:56 13.38 N/A Cousins R CCD
4 AM Her RSE 2453572.6620 2005-07-21 03:53 13.78 N/A Johnson V CCD
5 AM Her RSE 2453572.6599 2005-07-21 03:50 12.97 N/A Cousins R CCD
6 AM Her RSE 2453572.6578 2005-07-21 03:47 13.51 N/A Johnson V CCD
7 AM Her RSE 2453572.6558 2005-07-21 03:44 12.88 N/A Cousins R CCD
8 AM Her KKQ 2453572.6556 2005-07-21 03:44 13.53 0.02 Johnson V CCD
9 AM Her RSE 2453572.6537 2005-07-21 03:41 13.40 N/A Johnson V CCD
10 AM Her RSE 2453572.6516 2005-07-21 03:38 12.72 N/A Cousins R CCD
11 AM Her MDW 2453572.6326 2005-07-21 03:10 13.53 0.01 Johnson V CCD
12 AM Her PYG 2453572.4840 2005-07-20 23:36 14.1 N/A Visual Visual
13 AM Her BVN 2453572.4385 2005-07-20 22:31 13.930 0.06 Johnson V CCD
14 AM Her BVN 2453572.4372 2005-07-20 22:29 13.910 0.06 Johnson V CCD
15 AM Her BVN 2453572.4359 2005-07-20 22:27 13.900 0.06 Johnson V CCD
16 AM Her BVN 2453572.4347 2005-07-20 22:25 13.930 0.06 Johnson V CCD
17 AM Her BVN 2453572.4334 2005-07-20 22:24 13.930 0.06 Johnson V CCD
18 AM Her BVN 2453572.4322 2005-07-20 22:22 13.940 0.06 Johnson V CCD
19 AM Her BVN 2453572.4297 2005-07-20 22:18 13.920 0.06 Johnson V CCD
20 AM Her BVN 2453572.4284 2005-07-20 22:16 13.940 0.06 Johnson V CCD
21 AM Her BVN 2453572.4271 2005-07-20 22:15 13.940 0.06 Johnson V CCD
22 AM Her BVN 2453572.4259 2005-07-20 22:13 13.920 0.06 Johnson V CCD
23 AM Her BVN 2453572.4246 2005-07-20 22:11 13.920 0.06 Johnson V CCD
24 AM Her BVN 2453572.4234 2005-07-20 22:09 13.920 0.06 Johnson V CCD
25 AM Her MUY 2453572.4097 2005-07-20 21:49 14.0 N/A Visual Visual