1. Department of Physics and Astronomy, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
2. Department of Physics and Astronomy, The University of Leicester, Leicester LE1 7RH, UK
3. Departamento de Física Mérida, Facultad de Ciencias, Universidad de los Andes, Edo, Mérida 5101, Venezuela
4. Department of Astronomy, Williams College, Williamstown, MA 01267, USA
5. School of Physical Science and Technology, Southwest Jiaotong University, Chengdu 611756, China
6. Yunnan Observatories, Chinese Academy of Sciences, Kunming 650044, China
7. Astronomy and Astrophysics Research Group, Institute of Earth and Space Science, Future Economics Sector, King Abdulaziz City for Science & Technology, P.O. Box 6086, Riyadh 11442, Saudi Arabia
8. National Centre for Applied Physics, King Abdulaziz City for Science and Technology, Riyadh 11442, Saudi Arabia
9. Department of Physics, Bamidele Olumilua University of Education, Science and Technology, P.M.B. 250, Ikere-Ekiti 361101, Nigeria