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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 1021 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 AM HER JLT 2450136.6555 1996-02-23 03:43 13.2 N/A Visual Visual
2 AM HER RR 2450137.0000 1996-02-23 12:00 13.6 N/A Visual Visual
3 AM HER SCE 2450139.9194 1996-02-26 10:03 13.6 N/A Visual Visual
4 AM HER PYG 2450140.5850 1996-02-27 02:02 13.4 N/A Visual Visual
5 AM HER SCE 2450140.7917 1996-02-27 07:00 13.5 N/A Visual Visual
6 AM HER PYG 2450141.5160 1996-02-28 00:23 13.3 N/A Visual Visual
7 AM HER MPR 2450141.6500 1996-02-28 03:35 14.0 N/A Visual Visual
8 AM HER JLT 2450143.6895 1996-03-01 04:32 13.2 N/A Visual Visual
9 AM HER MPR 2450145.5800 1996-03-03 01:55 13.1 N/A Visual Visual
10 AM HER KHL 2450145.6840 1996-03-03 04:24 13.3 N/A Visual Visual
11 AM HER RR 2450149.1000 1996-03-06 14:24 13.2 N/A Visual Visual
12 AM HER ZRE 2450152.8090 1996-03-10 07:24 13.3 N/A Johnson V CCD
13 AM HER HAV 2450152.8958 1996-03-10 09:29 13.4 N/A Visual Visual
14 AM HER KMA 2450152.9278 1996-03-10 10:16 13.3 N/A Visual Visual
15 AM HER ZRE 2450155.8090 1996-03-13 07:24 13.5 N/A Johnson V CCD
16 AM HER KMA 2450156.9285 1996-03-14 10:17 13.3 N/A Visual Visual
17 AM HER AB 2450158.0680 1996-03-15 13:37 13.2 N/A Visual Visual
18 AM HER KMA 2450158.8993 1996-03-16 09:34 13.3 N/A Visual Visual
19 AM HER BSM 2450160.7201 1996-03-18 05:16 13.5 N/A Visual Visual
20 AM HER AB 2450161.0750 1996-03-18 13:48 13.3 N/A Visual Visual
21 AM HER JLT 2450161.6562 1996-03-19 03:44 13.2 N/A Visual Visual
22 AM HER SNE 2450161.9597 1996-03-19 11:01 13.4 N/A Visual Visual
23 AM HER AB 2450162.0700 1996-03-19 13:40 13.3 N/A Visual Visual
24 AM HER DRG 2450162.4961 1996-03-19 23:54 13.49 N/A Unknown CCD
25 AM HER KHL 2450162.6700 1996-03-20 04:04 13.0 N/A Visual Visual