Four were found in the first two days of the Exoplanet Explorers project on Zooniverse in early April 2017, while up to two more were revealed in further analysis.
2017年4月初在宇宙動物園（英语：Zooniverse）的Exoplanet Explorers項目的前2日發現了其中4顆，進一步分析後再發現了2顆。