A mathematical approach to narrowband color synthesis - using linear algebra and matrix transformation to map H/S/O channels to custom RGB colors, enabling precise control over saturation and aesthetic palettes beyond standard SHO.
Articles by grapeot
利用简单的线性代数实现精确可控的窄带调色
用线性代数实现窄带自定义调色：选取喜欢的颜色获取RGB值，通过矩阵变换将HSO通道投影到新色彩空间，实现饱和度可控的个性化调色盘。
每个星野摄影师都应该知道的深空摄影小知识
深空技巧应用于星野摄影：PixInsight可控拉伸、校准场去除暗角、长焦接片提升星点质量、大光圈下窄带滤镜带宽偏移问题及前置滤镜解决方案。
Deep Space Photography Tricks that Every Star Photographer Needs to Know
Deep sky techniques for wide-field astrophotography: controlled stretching in PixInsight, calibration frames for vignetting removal, telephoto mosaics for better stars, and bandwidth shift issues with narrowband filters at wide apertures.
机炮才是无人机的浪漫
用大疆御3搭载ZWO天文相机实现1寸传感器320mm长焦：画质碾压原生长焦头，支持RAW和M档，探索无人机摄影的画质极限，整机重量控制在500g。