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history of astronomy

The AAVSO Research Portal

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 blue 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.


RS Puppis

Leslie C. Peltier


Leslie C. Peltier, 1900 - 1980


Leslie C. Peltier


"I feel it is my duty to warn others...that they approach the oberserving of variable stars with the utmost caution. It is easy to become an addict, and as usual, the longer the indulgence is continued the more difficult it becomes to make a clean break and go back to a normal life."

Dorrit Hoffleit Historical and Scientific JAAVSO Articles


Historical and Scientific AAVSO Journal Articles by Dorrit Hoffleit




History of the Discovery of Mira Stars


Dorrit Hoffleit

Department of Astronomy

Yale University

Olin Eggen Observation Cards

Digitizing Olin Eggen's Legacy

Quick link: want to get involved? Visit the Eggen Data Project


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