MODERNIZATION OF AZT-22 TELESCOPE OF MAIDANAK HIGH-ALTITUDE OBSERVATORY: TESTING RESULTS von Sergeev, A. V., Burkhonov, O. A., Dudinov, V. N., Zheleznyak, A. P., Krugly, Y. N., Molotov, I. E., Shulga, V. M., Ehgamberdiev, S. A., Konichek, V. V., Kochetov, A. E.