Welcome to

The British Astronomical Association
Variable Star Section
The world's longest established Variable Star observing group!
R Leo   Feb. 10th 1840  <6.4     J. Baxendell






BAA Spectroscopic Database here  
On-line data entry and BAAVSS Database here

Notes on data submission including Spreadsheets and report forms here



Anomalous outburst behaviour in SS Cyg during 2019-20.   BAAVSS database












Last update July 27th 2020