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 13 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 AC HER KOS 2454577.5000 2008-04-21 00:00 8.3 N/A Visual Visual
2 G HER KOS 2454577.5000 2008-04-21 00:00 5.7 N/A Visual Visual
3 RS HER KOS 2454577.5000 2008-04-21 00:00 8.1 N/A Visual Visual
4 ST HER KOS 2454577.5000 2008-04-21 00:00 8.0 N/A Visual Visual
5 SX HER KOS 2454577.5000 2008-04-21 00:00 8.4 N/A Visual Visual
6 UW HER KOS 2454577.5000 2008-04-21 00:00 8.3 N/A Visual Visual
7 V939 HER KOS 2454577.5000 2008-04-21 00:00 8.7 N/A Visual Visual
8 W HER KOS 2454577.5000 2008-04-21 00:00 8.3 N/A Visual Visual
9 X HER KOS 2454577.5000 2008-04-21 00:00 6.6 N/A Visual Visual
10 SDSS074545 SFY 2454577.5000 2008-04-21 00:00 16.1 N/A Unknown CCD
11 SDSS080831 SFY 2454577.5000 2008-04-21 00:00 17.0 N/A Unknown CCD
12 SDSS081345 SFY 2454577.5000 2008-04-21 00:00 17.0 N/A Unknown CCD
13 SDSS081645 SFY 2454577.5000 2008-04-21 00:00 16.6 N/A Unknown CCD