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Search Data

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 9318 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 GK Per POX 2459516.4083 2021-10-28 21:47 13.1 N/A Visual Visual
2 GK Per PDQ 2459516.4000 2021-10-28 21:35 13.2 N/A Visual Visual
3 GK Per MUY 2459516.3701 2021-10-28 20:52 13.0 N/A Visual Visual
4 GK Per PEI 2459516.2896 2021-10-28 18:56 13.0 N/A Visual Visual
5 GK Per NDQ 2459516.2819 2021-10-28 18:45 12.9 N/A Visual Visual
6 GK Per EBAA 2459516.2424 2021-10-28 17:48 13.1 N/A Visual Visual
7 GK Per KZAD 2459515.7625 2021-10-28 06:18 13.1 N/A Visual Visual
8 GK Per HUR 2459515.7160 2021-10-28 05:10 12.94 0.1 Johnson V CCD
9 GK Per MOW 2459515.5417 2021-10-28 01:00 13.0 N/A Visual Visual
10 GK Per GZN 2459515.4507 2021-10-27 22:49 12.9 N/A Visual Visual
11 GK Per TOO 2459515.4470 2021-10-27 22:43 13.2 N/A Visual Visual
12 GK Per OJR 2459515.4194 2021-10-27 22:03 13.0 N/A Visual Visual
13 GK Per MUY 2459515.3604 2021-10-27 20:38 12.9 N/A Visual Visual
14 GK Per EBAA 2459515.2639 2021-10-27 18:20 13.0 N/A Visual Visual
15 GK Per BLQ 2459515.2590 2021-10-27 18:12 13.2 N/A Visual Visual
16 GK Per DUBF 2459515.2450 2021-10-27 17:52 12.812 0.020 Johnson V CCD
17 GK Per DUBF 2459515.2435 2021-10-27 17:50 12.806 0.020 Johnson V CCD
18 GK Per DUBF 2459515.2421 2021-10-27 17:48 12.759 0.023 Johnson V CCD
19 GK Per GZN 2459514.4479 2021-10-26 22:44 12.9 N/A Visual Visual
20 GK Per WKL 2459514.3611 2021-10-26 20:39 13.0 N/A Visual Visual
21 GK Per VTY 2459514.0111 2021-10-26 12:15 12.9 N/A Visual Visual
22 GK Per GZN 2459513.4611 2021-10-25 23:03 12.9 N/A Visual Visual
23 GK Per WPB 2459513.3870 2021-10-25 21:17 12.9 N/A Visual Visual
24 GK Per TOO 2459513.2760 2021-10-25 18:37 13.2 N/A Visual Visual
25 GK Per EBAA 2459513.2674 2021-10-25 18:24 13.1 N/A Visual Visual