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NASA commissioned a research team to study Unidentified Aerial Phenomena(UAP), observations of events that cannot scientifically be identified as knownnatural phenomena. The Main Astronomical Observatory of NAS of Ukraine conductsan independent study of UAP also. For UAP observations, we used two meteorstations installed in Kyiv and in the Vinarivka village in the south of theKyiv region. Two-side monitoring of the daytime sky led to the detection of twoluminous objects at an altitude of 620 and 1130 km, moving at a speed of 256and 78 km/s. Colorimetric analysis showed that the objects are dark: B - V =1.35, V - R = 0.23. The size of objects is estimated to be more than 100meters. The detection of these objects is an experimental fact. Estimates oftheir characteristics follow from observational data. The authors do notinterpret these objects. Daytime sky monitoring in Kyiv with multi-color DSLRcamera at a rate of 30 frames per second in August and September 2018 and inVinarivka with a multi-color CMOS camera in October 2022 revealed several casesof dark objects (phantoms). The time of their existence is, as a rule, afraction of a second. These are oval-shaped objects ranging in size from 20 to100 meters with speeds from 2 to 30 km/s.

Unidentified aerial phenomena II. Evaluation of UAP properties