Shanghai Astronomical Observatory, CAS, Nandan Road 80, Daejeon, 200030, China ; Korea Astronomy and Space Science Institute, Yuseong-gu, Daejeon, 305-348, Korea, Republic of
National Geomatics Center of China, Baishengchun 1, Zizhuyuan, Beijing, 100044, China
Institute of Solar-Terrestrial Physics SB RAS, P.O, Irkutsk, 664033, Russian Federation