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  • How CCD Cameras Work

    How CCD Cameras Work

    Taking the Image A CCD (charge-coupled device) is an electronic instrument for detecting light. In the case of an astronomical CCD camera, this light is very dim. We will see that this has certain implications for how the CCD operates....

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  • CCD Imaging for Amateur Astronomers

    CCD Imaging for Amateur Astronomers

    The advent of amateur CCD imaging has opened up a whole new world for astronomy enthusiasts. Astronomy is the one science left where amateurs still make an important contribution. The reason is simple: there is too much universe for just...

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  • CCD vs. DSLR Astrophotography

    CCD vs. DSLR Astrophotography

    Film astrophotography began in the late 19th century with photographs of the moon, sun, and bright stars. Film then was thousands of times slower than it is today. While film became faster and faster, the technology itself changed very little....

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  • Digital Cameras, Webcams and Video Cameras

    Digital Cameras, Webcams and Video Cameras

    Digital cameras, digital video cameras, and webcams all use CCD chips (or similar CMOS chips), just like an astronomical CCD camera. They are also incredibly popular, with millions being sold every year. So the obvious question is whether these types...

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