Time-lapse videos were taken with my old iPhone XS using the "TimeLapse" application.

Properties of videos: 1080p / x180 (1 sec = 3 minutes in real-time) / 15 FPS (12 seconds per 1 frame).

Satellite observations are obtained from the NMSC of KMA:
https://nmsc.kma.go.kr/homepage/html/satellite/viewer/selectNewSatViewer.do?dataType=operSat.

Setting for the satellite images: [GK2A CTH] 천리안위성 2A / 구름 / 운정고도 / 한반도.