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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 SHV 2453572.3500 2005-07-20 20:24 13.5 N/A Visual Visual
2 AM Her PPS 2453572.3500 2005-07-20 20:24 13.6 N/A Visual Visual
3 AM Her AAP 2453571.8083 2005-07-20 07:23 13.4 N/A Visual Visual
4 AM Her CJS 2453571.6840 2005-07-20 04:24 13.922 0.005 Johnson B CCD
5 AM Her CJS 2453571.6840 2005-07-20 04:24 13.871 0.002 Johnson V CCD
6 AM Her CJS 2453571.6840 2005-07-20 04:24 13.381 0.002 Cousins R CCD
7 AM Her PTQ 2453570.7333 2005-07-19 05:35 14.0 N/A Visual Visual
8 AM Her JM 2453570.6711 2005-07-19 04:06 14.1 N/A Johnson V CCD
9 AM Her WDZ 2453570.6632 2005-07-19 03:55 14.28 0.04 Johnson B CCD
10 AM Her WDZ 2453570.6569 2005-07-19 03:45 13.2 0.04 Cousins R CCD
11 AM Her WDZ 2453570.6500 2005-07-19 03:35 13.77 0.04 Johnson V CCD
12 AM Her PYG 2453570.5060 2005-07-19 00:08 14.4 N/A Visual Visual
13 AM Her SFI 2453570.4268 2005-07-18 22:14 13.67 0.03 Cousins R CCD
14 AM Her PYG 2453569.5740 2005-07-18 01:46 14.3 N/A Visual Visual
15 AM Her PYG 2453569.4830 2005-07-17 23:35 14.2 N/A Visual Visual
16 AM Her DPV 2453569.4720 2005-07-17 23:19 14.5 N/A Visual Visual
17 AM Her KZX 2453569.4118 2005-07-17 21:52 14.18 N/A Johnson V CCD
18 AM Her KZX 2453569.4114 2005-07-17 21:52 14.26 N/A Johnson V CCD
19 AM Her KZX 2453569.4111 2005-07-17 21:51 14.33 N/A Johnson V CCD
20 AM Her KZX 2453569.4107 2005-07-17 21:51 14.25 N/A Johnson V CCD
21 AM Her KZX 2453569.4104 2005-07-17 21:50 13.88 N/A Johnson V CCD
22 AM Her KZX 2453569.4101 2005-07-17 21:50 14.06 N/A Johnson V CCD
23 AM Her KZX 2453569.4097 2005-07-17 21:49 14.29 N/A Johnson V CCD
24 AM Her KZX 2453569.4093 2005-07-17 21:49 14.10 N/A Johnson V CCD
25 AM Her KZX 2453569.4090 2005-07-17 21:48 14.06 N/A Johnson V CCD