Total Sky Imager observations during POLARSTERN cruise PS122/1 on 2019-11-02@en

The dataset consist of camera shots of the sky. The camera - a total sky imager manufactured by Canon (Powershot) - was mounted at the top of the Research Vessel Polarstern. At the leg1 (from September until December 2019) of the MOSAIC experiment from Tromsø to the northerns part of the Arctic Ocean this camera shots were taken with a temporal resolution of 15 minutes. The dataset represents the visible projection of weather conditions and cloud cover recorded on the vessel Polarstern in the direction near the zenith. These observations are useful for the interpretation of the atmospheric radiation measurements.本数据集收录了天空场景的相机拍摄影像。本次采用的拍摄设备为佳能（Canon）博秀（Powershot）系列全天空成像仪，安装于极地号（Polarstern）科考船的顶部。在MOSAIC科考实验的第1航段（2019年9月至12月，航线从特罗姆瑟至北冰洋北部海域）期间，该相机以15分钟的时间分辨率进行拍摄。本数据集记录了极地号科考船上朝向天顶附近方向拍摄的气象状况与云量覆盖的可见光影像。该观测数据可用于辅助大气辐射测量结果的解译。