1. Department of Astronomy, Graduate School of Science, Kyoto University, Oiwakecho, Kitashirakawa, Sakyo-ku, Kyoto, Kyoto 606-8502, Japan
2. Okayama Astrophysical Observatory, National Astronomical Observatory of Japan, 3037-5 Honjo, Kamogata, Asakuchi, Okayama, 719-0232, Japan
3. Okayama Observatory, Graduate School of Science, Kyoto University, 3037-5 Honjo, Kamogata, Asakuchi, Okayama 719-0232, Japan
4. Institute of Astronomy and Astrophysics, Academia Sinica, 11F of Astronomy-Mathematics Building, AS/NTU No. 1, Section 4, Roosevelt Road, Taipei 10617, Taiwan
5. Subaru Telescope, National Astronomical Observatory of Japan, 650 North A’ohoku Place, Hilo, HI 96720, USA
6. Bronberg Observatory, Center for Backyard Astrophysics Pretoria, PO Box 11426, Tiegerpoort 0056, South Africa
7. Kleinkaroo Observatory, Center for Backyard Astrophysics Kleinkaroo, Sint Helena 1B, PO Box 281, Calitzdorp 6660, South Africa
8. Variable Star Observers League in Japan (VSOLJ), 124 Teradani, Isato-cho, Kumano, Mie 519-4673, Japan
9. American Association of Variable Star Observers, 49 Bay State Rd., Cambridge, MA 02138, USA
10. Crimean Astrophysical Observatory, 298409, Nauchny, Republic of Crimea
11. Sternberg Astronomical Institute, Lomonosov Moscow State University, Universitetsky Ave., 13, Moscow 119992, Russia
12. Physics Department, Rochester Institute of Technology, Rochester, New York 14623, USA
13. Instituto de Astronomía UNAM, Apartado Postal 877, 22800 Ensenada B.C., México
14. Osaka Kyoiku University, 4-698-1 Asahigaoka, Kashiwara, Osaka 582-8582, Japan
15. Center for Backyard Astrophysics Concord, 1730 Helix Ct. Concord, California 94518, USA
16. 2336 Trailcrest Dr., Bozeman, Montana 59718, USA
17. Furzehill House, Ilston, Swansea, SA2 7LE, UK
18. American Association of Variable Star Observers (AAVSO), 13508 Monitor Lane, Sutter Creek, California 95685, USA
19. Variable Star Observers League in Japan (VSOLJ), 7-1 Kitahatsutomi, Kamagaya, Chiba 273-0126, Japan
20. Astronomical Institute of the Slovak Academy of Sciences, 05960 Tatranska Lomnica, Slovakia
21. Flarestar Observatory, San Gwann SGN 3160, Malta
22. Variable Star Observers League in Japan (VSOLJ), 1001-105 Nishiterakata, Hachioji, Tokyo 192-0153, Japan
23. Polaris Observatory, Hungarian Astronomical Association, Laborc utca 2/c, 1037 Budapest, Hungary
24. Astronomy Department, Wesleyan University, Middletown, Connecticut 06459, USA
25. The British Astronomical Association, Variable Star Section (BAA VSS), Burlington House, Piccadilly, London, W1J 0DU, UK
26. 3 The Birches, Shobdon, Leominster, Herefordshire, HR6 9NG, UK
27. Department of Biosphere-Geosphere System Science, Faculty of Informatics, Okayama University of Science, 1-1 Ridai-cho, Okayama, Okayama 700-0005
28. Gunma Astronomical Observatory, 6860-86 Nakayama, Takayama, Agatsuma, Gunma 377-0702
29. Nobeyama Radio Observatory, National Astronomical Observatory of Japan, National Institutes of Natural Sciences, 462-2 Nobeyama, Minamimaki, Minamisaku, Nagano 384-1305, Japan