data access

Welcome to the AAVSO's Research Portal.  From this page, you can find information about obtaining AAVSO data, requesting new observations, or learning more about the AAVSO, its data, and its services for the research community.  Its purpose is to facilitate your use of the AAVSO's resources in your research efforts.

See the gray boxes on the right hand side of this page to access the AAVSO data archives or to find out  how to work with the AAVSO to obtain new scientific data.

Looking for AAVSO Data?  Go directly to AAVSO Data Access.

This is a short guide for researchers interested in analyzing data from the AAVSO International Database (AID).  It is intended to be an introduction to the data found in the AID, as well as a guide to help you begin utilizing these data in your research.  Data in the AID are heterogeneous in nature, and all users of AAVSO data are encouraged to work with the AAVSO to ensure that the data are being interpreted correctly.  All researchers are encouraged to contact the AAVSO at any stage of the