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Atmospheric and Oceanic Optics

2013 year, number 12

Estimation of the astronomic climate in the vicinity of the Baykal astrophysical observatory by optical techniques

P.A. Konyaev1, A.V. Borovik2
1V.E. Zuev Institute of Atmospheric Optics of Siberian Branch of the Russian Academy of Science, 1, Academician Zuev square, Tomsk, 634021, Russia
2Institute of Solar-Terrestrial Physics of the Siberian Branch of the RAS, 664033, Irkutsk, 126a, Lermontova str
Keywords: astronomic climate, optical measurements, image processing, atmospheric turbulence


A methodology for measuring the astronomic climate characteristics of the Baykal astrophysical observatory (BAO) from the analysis of the digital image quality, obtained from a full disk solar telescope is proposed. The image quality is estimated by a modified information-statistical “optimal window” algorithm. A large body of data (several thousand frames) is processed automatically using a hardware-software system, developed at the Zuev Institute of Atmospheric Optics SB RAS on the basis of NVIDIA® CUDA and Intel® IPP & MKL parallel programming technologies. The results of a statistical analysis of solar chromospheric H-alpha filter-grams, obtained on BAO in 2001–2002 by means of a Princeton Instruments 2048B digital camera, are presented.