Total Sky Imager observations during POLARSTERN curise ANT-XXVIII/4 on 2012-04-05 with links to images

Dataset consists of total sky images taken every 15 seconds during daytime. The imager was mounted at the top of the bridge of the Research Vessel POLARSTERN. Each file is a jpg-image and all the necessary information on the aperture or exposition is written in the jpg-header.本数据集涵盖所有日间每15秒采集的天空图像。该成像装置安装于“极星号”（POLARSTERN）科考调查船的驾驶台顶部。每个文件均为JPG图像（JPG），所有与光圈及曝光相关的必要参数均存储于该JPG文件头中。