location of telescopes: Miyako island ( 宮古島) scaled flux Takahashi EM-200 Equatorial Mount Celestron RASA C11 inch ZWO ASI1600MM-Cool Metabones Speed Booster Laptop computer and SSD GPS receiver calibrated image and difference image signal-to-noise ratios time offset: In the summer of 2016 to 2017, the research group installed a system on the roof of the "Okinawa prefectural Miyako youth house" in Miyakojima City, Okinawa Prefecture, and is about 4 square degrees (about 20 full moons) 2000 stars were observed for 60 hours. The telescope is located in the Milky Way where there are a large number of stars that can be observed at one time and is located near the ecliptic where the number of the Kuiper belt objects is large (that is, it is predicted that the occultation phenomenon is likely to occur) It was. Examination of the obtained moving image data revealed that the 12th grade star in the field of view had d...