1. Space Science and Technology Centre, Curtin University, Kent Street, Bentley, Perth, Western Australia 6102, Australia
2. School of Systems Engineering, Kochi University of Technology, 185 Miyanokuchi, Tosayamada, Kami, Kochi 782-8502, Japan
3. Nihon University, 7-24-1 Narashinodai, Funabashi, Chiba 274-8501, Japan
4. Faculty of Science, Ibaraki University, Bunkyo 2-1-1, Mito, Ibaraki 310-8512, Japan
5. School of Geosciences and Civil Engineering, College of Science and Engineering, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan
6. Institut de Physique du Globe de Paris, 35 Rue Hélène Brion, Paris, 75013 France
7. Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, 3-1-1 Yoshinodai, Chuo-ku, Sagamihara-shi, Kanagawa 252-5210, Japan
8. JAXA Tsukuba Space Exploration Center, 2-1-1 Sengen, Tsukuba-shi, Ibaraki 305-8505, Japan
9. Graduate School of Engineering, Kochi University of Technology, 185 Miyanokuchi, Tosayamada, Kami, Kochi 782-8502, Japan
10. National Research Institute of Astronomy and Geophysics, Helwan 11421, Cairo, Egypt
11. Faculty of Information Science and Engineering, Kyoto Sangyo University, Motoyama, Kamigamo, Kita-ku, Kyoto, Kyoto 603-8555, Japan
12. Space Information Center, Hokkaido Information University, 59-2 Nishi-nopporo, Ebetsu, Hokkaido 069-0832, Japan
13. Research Center for Earthquake Prediction, Disaster Prevention Research Institute, Kyoto University, Gokasho, Uji, Kyoto 611-0011, Japan
14. Graduate School of Engineering, Kochi University of Technology, 185 Miyanokuchi, Tosayamada-cho, Kami, Kochi 782-8502, Japan
15. The River Murray International Dark Sky Reserve, PO Box 10, Cambrai, South Australia 5353, Australia
16. Research School of Earth Sciences, The Australian National University, Building 142, 1 Mills Road, Acton, Canberra, 2601 Australia