Observations of temporal change of nighttime cloud cover from Himawari 8 and ground-based sky camera over Chiba, Japan

Dr. Nofel Lagrosas, Ph.D., Kyushu University, Faculty of Engineering, Fukuoka, Japan, Glenn Franco Barroso Gacal, Manila Observatory, Quezon City, Philippines and Hiroaki Kuze, Center for Environmental Remote Sensing, Chiba University, Chiba, Japan