使用鱼眼镜头图像测量移动船只的光污染，概念验证
Measuring Light Pollution with Fisheye Lens Imagery from A Moving Boat, A Proof of Concept
摘要：
在亚喀巴湾的一艘船上进行了近全天成像测光，以测量沿海环境中的夜空亮度。船没有下锚，因此漂来漂去。相机安装在三脚架上，没有任何惯性/运动稳定。使用商业数码单镜头反光（DSLR）相机和鱼眼镜头，ISO设置为6400，曝光时间在0.5秒和5秒之间变化。我们发现，尽管运动的船只的测量产生定量可比的结果，除了饱和效应。我们讨论了这种方法的潜力和局限性，在海洋和淡水系统的光污染映射。这项工作的概念证明，全天空测光与商业数码单反相机是一个可行的工具，以确定光污染的生态背景下，从移动的船。
英文摘要：
Near all-sky imaging photometry was performed from a boat on the Gulf of Aqaba to measure the night sky brightness in a coastal environment. The boat was not anchored, and therefore drifted and rocked. The camera was mounted on a tripod without any inertia/motion stabilization. A commercial digital single lens reflex (DSLR) camera and fisheye lens were used with ISO setting of 6400, with the exposure time varied between 0.5 s and 5 s. We find that despite movement of the vessel the measurements produce quantitatively comparable results apart from saturation effects. We discuss the potential and limitations of this method for mapping light pollution in marine and freshwater systems. This work represents the proof of concept that all-sky photometry with a commercial DSLR camera is a viable tool to determine light pollution in an ecological context from a moving boat.
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