Evolution of HR91176 and HR91234 Sunspots Based on Vector Magnetogram and $H{\beta}$ Filtergram

  • Lee, Sang-Woo (Department of Astronomy, Seoul National University) ;
  • Moon, Yang-Jae (Department of Astronomy, Seoul National University) ;
  • Yun, Tae-Sam (Department of Astronomy, Seoul National University) ;
  • Yun, Hong-Sik (Department of Astronomy, Seoul National University)
  • Published : 1995.12.31