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 756 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 R Per DMAC 2460277.5734 2023-11-29 01:45 8.972 0.005 Johnson V CCD
2 R Per VATA 2460272.4549 2023-11-23 22:54 9.1 N/A Visual Visual
3 R Per AANE 2460272.4319 2023-11-23 22:21 9.13 N/A Visual Visual
4 R Per DMAC 2460265.5910 2023-11-17 02:11 8.926 0.008 Johnson V CCD
5 R Per AANE 2460265.4563 2023-11-16 22:57 9.05 N/A Visual Visual
6 R Per AANE 2460262.4125 2023-11-13 21:54 9.13 N/A Visual Visual
7 R Per VATA 2460260.5938 2023-11-12 02:15 9.7 N/A Visual Visual
8 R Per SJEA 2460257.3100 2023-11-08 19:26 9.1 N/A Visual Visual
9 R Per AANE 2460256.4875 2023-11-07 23:41 9.05 N/A Visual Visual
10 R Per PIJ 2460253.3000 2023-11-04 19:11 9.0 N/A Visual Visual
11 R Per AANE 2460252.4375 2023-11-03 22:30 9.3 N/A Visual Visual
12 R Per VATA 2460246.5035 2023-10-29 00:04 10.1 N/A Visual Visual
13 R Per AANE 2460238.3833 2023-10-20 21:11 11.33 N/A Visual Visual
14 R Per SDAB 2460232.5438 2023-10-15 01:03 12.0 N/A Visual Visual
15 R Per VATA 2460231.4549 2023-10-13 22:54 11.6 N/A Visual Visual
16 R Per JPG 2460223.3991 2023-10-05 21:34 11.955 0.003 Johnson V CCD
17 R Per JPG 2460223.3988 2023-10-05 21:34 11.959 0.003 Johnson V CCD
18 R Per JPG 2460223.3984 2023-10-05 21:33 11.947 0.003 Johnson V CCD
19 R Per JPG 2460223.3981 2023-10-05 21:33 11.923 0.003 Johnson V CCD
20 R Per JPG 2460223.3977 2023-10-05 21:32 11.961 0.003 Johnson V CCD
21 R Per JPG 2460223.3973 2023-10-05 21:32 11.956 0.003 Johnson V CCD
22 R Per JPG 2460223.3970 2023-10-05 21:31 11.955 0.003 Johnson V CCD
23 R Per JPG 2460223.3966 2023-10-05 21:31 11.932 0.003 Johnson V CCD
24 R Per JPG 2460223.3959 2023-10-05 21:30 11.939 0.003 Johnson V CCD
25 R Per JPG 2460223.3955 2023-10-05 21:29 11.920 0.003 Johnson V CCD