徕卡和飞思都有一些黑白相机，比如徕卡M10 Monochrom，飞思 IQ3-100 Achromatic。这些相机把拜耳滤光片去掉了，用的就是类似天文黑白相机的黑 …
Articles in the Computing category
鸭阵巡天
身处一年下一场雨，一场下半年的西雅图，我有很多有意思的天文摄影想法都没办法实现。自从去年11月开始接触在云南的远程台，终于有了足够的晴 …
Auto focus solution for SharpStar FMA180
Bought a SharpStar FMA180 recently for wide field use. Probably because of the small aperture (40mm f/4.5, 180mm focal length), it doesn't come with a regular focuser, but has a focus ring just like regular lens. But the ZWO EAF I use only supports telescope-style focusers. So I …
偷网指南和一些网络心得
最近网络服务商comcast地下的线缆有问题导致上不了网。报修说the fix could be as quick as two months. 因为要申请许可，然后用工程机械在路面下面施工。只能自救了。做了很多 …
树莓派上的目标检测智能相机
故事的缘由是晚上睡觉的时候偶尔会听到外面有响动，总是要起来看一下是怎么回事。所以就想着装一个监控相机。正好 …