FIELD: physics.
SUBSTANCE: device has an objective lens, a television camera, a frame accumulation and background subtraction unit and a star catalogue storage unit. The sensor also has a television star array generator, a catalogue star array generator, a star identification unit, an atmospheric transparency computing unit and a cloud cover zone generator. Night atmospheric transparency is calculated by identifying the shinning of television and catalogue stars.
EFFECT: ensuring operation of the sensor in automatic mode, high objectiveness and accuracy of evaluating night cloud cover.
3 dwg
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