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 254 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 AM Her JM 2453566.7077 2005-07-15 04:59 14.6 N/A Johnson V CCD
2 AM Her MOI 2453566.5110 2005-07-15 00:15 14.9 N/A Visual Visual
3 AM Her PTQ 2453565.7604 2005-07-14 06:14 15.1 N/A Visual Visual
4 AM Her JM 2453565.6928 2005-07-14 04:37 15.1 N/A Johnson V CCD