Yashiro, S. et. al.; Uddin, W.
(Committee on Space Research (COSPAR), 2014)
Active region NOAA 11158 produced many flares during its disk passage. At least two of these flares can be considered as homologous: the C6.6 flare at 06:51 UT and C9.4 flare at 12:41 UT on February 14, 2011. Both flares ...