The modest web camera (or webcam) quickly gained interest among amateur astronomers and is now considered as the equipment of choice for planetary imaging because it has two characteristics that are very much useful in astrophotography: (1) its lens can be removed much like the lens of a DSLR, making it possible to easily connect the webcam with any telescope and (2) it can record a huge number of still frames even in a short span of time (1-2 minutes), a feature particularly useful in a post-processing technique called registering and stacking.
In this article, I intend to describe how to image planets using a web camera as the main imaging device and then provide a brief overview of the post-processing technique. Read more.
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