1. Main Astronomical Observatory, National Academy of Sciences of Ukraine, Kyiv 03680, Ukraine
2. Fesenkov Astrophysical Institute, Observatory 23, Almaty 050023, Kazakhstan
3. NNLOT, Al-Farabi Kazakh National University, Almaty 050040, Kazakhstan
4. Max Planck Institute for Astronomy, Königstuhl 17, D-69117 Heidelberg, Germany
5. Department of Physics and Astronomy, University of North Carolina at Greensboro, Greensboro, NC 27402–6170, USA
6. V. N. Karazin Kharkiv National University, Kharkiv, Ukraine
7. Faculty of Physics and Technology, Al-Farabi Kazakh National University, Almaty 050040, Kazakhstan
8. Instituto de Astronomía, Universidad Nacional Autónoma de México, Ensenada, Baja California 22800, Mexico
9. CFHT Corporation, 65–1238 Mamalahoa Hwy, Kamuela, HI 96743, USA