Graduate School of the Chinese Academy of Sciences Beijing 100871 China;
Xinjiang Astronomical Observatory Chinese Academy of Sciences Urumqi 830011 China;
Purple Mountain Observatory DMSA/CAS Nanjing 210023 China;
Purple Mountain Observatory DMSA/CAS Nanjing 210023 China;
CfASS China Three Gorges University Yichang 443002 China;
Xinjiang Astronomical Observatory Chinese Academy of Sciences Urumqi 830011 China;
Yunnan Astronomical Observatory Chinese Academy of Sciences Kunming 830011 China;
Big Bear Solar Observatory 40386 North Shore Lane Big Bear City CA 922314 USA;