In 2018, volunteers classified 55,000 candidate variable stars; 860,000 classifications helped flag one that became about 100 times fainter

Variable Star Zoo represents a remarkable citizen-science project that rallied over a million volunteers to engage in star ...
JSTOR Daily

Citizen ASAS-SN Data Release. I. Variable Star Classification Using Citizen Science

We present the first results from Citizen ASAS-SN, a citizen science project for the All-Sky Automated Survey for Supernovae (ASAS-SN) hosted on the Zooniverse platform. Citizen ASAS-SN utilizes the ...