FIELD: astronomy. SUBSTANCE: spot image is registered during period of time, which is longer than longest time interval of time correlation of atmospheric fluctuations. In this case, spot image is defocused till achieving diameter of spot image central spot, which has to be equal to maximal value of fluctuations of central spot at registration plane. Time interval of correlation of atmospheric fluctuations is determined from corresponding relation, given in the description of the invention. EFFECT: improved precision. 6 dwg
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Authors
Dates
1995-12-20—Published
1985-04-24—Filed