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 469 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 R Vul SEDB 2459412.6740 2021-07-17 04:10 8.1 N/A Visual Visual
2 R Vul SEDB 2459423.7130 2021-07-28 05:06 9.1 N/A Visual Visual
3 R VUL ACO 2459415.3972 2021-07-19 21:31 8.8 N/A Visual Visual
4 R VUL NDQ 2459427.4000 2021-07-31 21:35 9.9 N/A Visual Visual
5 R VUL VFK 2459413.4014 2021-07-17 21:38 7.5 N/A Visual Visual
6 R VUL VFK 2459421.5903 2021-07-26 02:10 9.1 N/A Visual Visual
7 R VUL VFK 2459424.4819 2021-07-28 23:33 9.3 N/A Visual Visual
8 R VUL DHEB 2459430.3847 2021-08-03 21:13 9.6 N/A Visual Visual
9 R VUL HSR 2459416.6690 2021-07-21 04:03 11.3 N/A Visual Visual
10 R vul BDIA 2459412.5438 2021-07-17 01:03 8.8 N/A Visual Visual
11 R Vul GSED 2459429.6806 2021-08-03 04:20 9.7 N/A Visual Visual
12 R Vul SEDB 2459442.6430 2021-08-16 03:25 10.6 N/A Visual Visual
13 R VUL KNAA 2459442.6941 2021-08-16 04:39 12.592 .013 Johnson B CCD
14 R VUL KNAA 2459442.6950 2021-08-16 04:40 10.877 .012 Johnson V CCD
15 R VUL HKEB 2459438.6430 2021-08-12 03:25 11.905 0.192 Johnson B CCD
16 R VUL HKEB 2459438.6433 2021-08-12 03:26 10.382 0.198 Johnson V CCD
17 R VUL HKEB 2459438.6437 2021-08-12 03:26 8.803 0.249 Cousins R CCD
18 R Vul SEDB 2459448.6320 2021-08-22 03:10 11.5 N/A Visual Visual
19 r vul FRL 2459450.5842 2021-08-24 02:01 11.84 N/A Visual Visual
20 R VUL VFK 2459433.5403 2021-08-07 00:58 10.4 N/A Visual Visual
21 R VUL VFK 2459435.3611 2021-08-08 20:39 10.6 N/A Visual Visual
22 R VUL VFK 2459438.3368 2021-08-11 20:04 10.9 N/A Visual Visual
23 R VUL VFK 2459444.5764 2021-08-18 01:50 11.2 N/A Visual Visual
24 R VUL HSR 2459441.5271 2021-08-15 00:39 11.4 N/A Visual Visual
25 R VUL ACO 2459458.3160 2021-08-31 19:35 12.1 N/A Visual Visual