All-day fine cloud detection device and method

The invention discloses an all-day fine cloud detection device and an all-day fine cloud detection method, which are suitable for cloud amount monitoring of various automatic astronomical observation or space target observation stations. The device comprises a heating device, a transparent protective cover, a wide-angle optical lens, a shading assembly, a CCD visible light detector and an embedded control panel. According to the method, after a fixed star matching algorithm is used for calibrating a pointing model of a detection device, GPS information is used for autonomously judging whether the current moment is in the daytime or at night; selecting different algorithms to complete all-sky cloud detection according to a judgment result; and finally, the fine cloud amount corresponding to the pointing direction is given according to the pointing direction provided by other equipment. According to the device and the method, under the condition of low cost, the detection of the cloud amount all over the sky ca