THEMIS Ground-based All Sky Imager Keogram, Level-1

THEMIS Ground All Sky Imager Keograms for all observatories. Keograms are composed of thin images slices taken down the middle of all-sky images and graphed against...本数据集为覆盖所有观测台站的THEMIS地面全天空成像仪Keogram（天空全景切片图）。此类图像由沿全天空图像中线截取的薄图像切片构成，并以……为参照进行绘图。