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 4 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 V4171 Sgr CMQ 2448909.9063 1992-10-14 09:45 8.7 N/A Visual Visual
2 V4171 Sgr OB 2448910.2380 1992-10-14 17:42 7.0 N/A Visual Visual
3 V4171 Sgr BLD 2448910.3000 1992-10-14 19:11 7.1 N/A Visual Visual
4 V4171 Sgr OB 2448910.3070 1992-10-14 19:22 7.1 N/A Visual Visual