Observatories and telescopes: Abastumani - Abastumani Astrophysical Observatory, Georgia. 1.25-m reflector Asiago - Asiago Astrophysical Observatory, Italy. 1.8-m reflector Catalina - Catalina Station, Lunar and Planetary Laboratory, University of Arizona, USA. 1.5-m reflector Complejo - Complejo Astronomico El Leoncito, Argentina. 2.15-m reflector Crimea - Crimean Astrophysical Observatory, Ukraine. 1.25-m reflector, 2.6-m reflector CTIO - Cerro Tololo Iner-American Observatory, USA. 1.5-m reflector di Brera - Osservatorio Astronomico di Brera-Merate, Italy. 1-m reflector Dodaira - Dodaira Observatory of the National Astronomical Observatory, Japan, 0.91-m reflector Dushanbe - Institute of Astrophysics, Dushanbe, Tajikistan. 0.7-m reflector ESO VLT - Paranal Observatory. Very Large Telescope 8.2-m reflector Kharkiv - Institute of Astronomy of Karazin Kharkiv National University, Ukraine, 0.7-m reflector Lowell - Lowell Observatory, USA. 1.8-m reflector Mauna Kea - Mauna Kea Observatory, Hawaii, USA. 0.6 and 2.2-m reflectors McDonald - McDonald Observatory, USA. 0.9 and 2.1-m reflectors Palomar - Palomar Mt., Hale Observatories, USA. 1.5-m reflector Sanglok - Sanglok Observatory of Institute of Astrophysics, Dushanbe, Tajikistan. 1-m reflector Steward - Steward Observatory, USA. 0.5 and 2.3-m reflectors Tarija - Soviet-Bolivian Astronomical Observatory, Tarija, Bolivia, 0.6-m reflector Terskol - Peak Terskol Ukrainian-Russian Observatory, Northern Caucasia, 2-m reflector ----------------------------------------