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We present the spectral and photometrical quasi-simultaneous observations of 2001CP44-s1=25916 NEO asteroid which were conducted with the help of 2-m Zeiss Terscol(Caucasus) and 1-m Zeiss mt.Koshka(Crimea) telescopes. We obtained the new value of the period of the optical variations, colour indexes, the taxonometric class and some other characteristics of the object. We present the methods and the results of data processing, the comparison analysis of light curves in different pass-bands. Taxonometric class is obtained from the spectral observations and from the mean colour indexes analysis. Some recommendations on the methods of simultaneous spectral and photometric observations are given.