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 759 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 GW Lib MGW 2457101.2957 2015-03-19 19:05 16.433 0.086 Cousins I CCD
2 GW Lib MGW 2457101.2940 2015-03-19 19:03 16.506 0.055 Cousins R CCD
3 GW Lib MGW 2457101.2923 2015-03-19 19:00 16.639 0.028 Johnson V CCD
4 GW Lib MGW 2457101.2901 2015-03-19 18:57 16.687 0.030 Johnson B CCD
5 GW Lib SPET 2457101.2825 2015-03-19 18:46 16.5036 0.0909 Johnson V CCD
6 GW Lib COO 2457101.2546 2015-03-19 18:06 16.145 0.164 Cousins I CCD
7 GW Lib COO 2457101.2517 2015-03-19 18:02 16.642 0.071 Johnson V CCD
8 GW Lib COO 2457101.2488 2015-03-19 17:58 16.579 0.029 CV CCD
9 GW Lib SRX 2457100.0944 2015-03-18 14:15 <15.3 N/A Visual Visual