AAVSO: American Association of Variable Star Observers

Citizen Science

Volume 47 number 1 (2019)

Download this article (pdf)

John R. Percy
Department of Astronomy and Astrophysics, and Dunlap Institute for Astronomy and Astrophysics, University of Toronto, 50 St. George Street, Toronto, ON M5S 3H4, Canada; john.percy@utoronto.ca


Citizen science, according to the Oxford English Dictionary, is: “Scientific work undertaken by members of the general public, often in collaboration with or under the direction of professional scientists and scientific institutions.” It’s a new name for an old activity, but it’s exactly what AAVSO observer/researchers do.