Narrowband imaging is a powerful tool to reveal the physical/chemical composition of nebulae. Most emission nebulae have a deep red tone if viewed using the regular broadband because excited hydrogen dominates their composition. With narrowband imaging, those nebulae would become much more colorful, which is important for both science …
Articles in the Life category
利用简单的线性代数实现精确可控的窄带调色
窄带摄影里有很多流行的调色方法，比如HOO，SHO。但拍多了不免腻歪，到处都是黄蓝哈勃色。同时很多目标用传统方法很难调 …
每个星野摄影师都应该知道的深空摄影小知识
熟悉这个系列的朋友应该知道，我的兴趣主要是在广域巡天上。要想完成全天巡天，最适合的工具是镜头。毕竟比望远镜光 …
Deep Space Photography Tricks that Every Star Photographer Needs to Know
Those who are familiar with my series should know that my primary interest is in wide-field sky surveys. To complete an all-sky survey, the best tool is a lens. After all, the aperture is larger than that of a telescope, the focal length is shorter, and it is much faster …
关于System Design Interview的随想
最近招人季，不少小伙伴在问system design interview如何准备。我的建议是也许可以换一个角度思考：如果你是hiring manager，你为什么要插个system design进去呢？希望看到 …