PSNUC SNUC Last updated on May 17, 2019 PDF PSNUC SNUC Last updated on May 17, 2019 PDF SNUC Juhyung (Juhyeong) Kang PhD Candidate in Astronomy My research interests include sunspots, MHD, waves and instrument. Publications Decelopment of the SNU Coelostat: Conceptual Design A coelostat is often used for solar observations, because it corrects the image rotation automatically by guiding sunlight into a fixed … Kang Juhyung, Chae Jongchul, Kwak Hannah, Yang Heesu PDF Project DOI ADS