VirtualDub is fantastic video quality enhancing tool available and is one of the open source project means it is free. There is an intersting video on YouTube which describes how you can use VirtualDub and enhance the video quality. It is useful for all photographer and video recorders but will be particularly useful to astronomers where getting images are very skillful task.
You can use various filters available with VirtualDub and reduce noises. The video will explain you how:
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Tags: freeware-tools, photography-tips
