FIELD: experimental astrophysics.
SUBSTANCE: method includes producing set of images serial in time and analysis thereof. On basis of this set a dispersion map is built, vale in each point of which equals dispersion of brightness values in respective point of whole images et, on dispersion map points are found, dispersion values of which surpass average dispersion on map for given value, and on basis of these points changing objects are identified.
EFFECT: higher effectiveness.
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