An optical transient candidate of ≲2 s duration captured by wide-field video observations. - Arima, Noriaki; Doi, Mamoru; Sako, Shigeyuki; Niino, Yuu; Ohsawa, Ryou; Tominaga, Nozomu; Tanaka, Masaomi; Richmond, Michael; Abe, Shinsuke; Kobayashi, Naoto (Publications of the Astronomical Society of Japan, 2026)